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 TSB's for 1998 trucks

Category 2 - Front Suspension

02-06-99 All Front wheel bearing grease is evident on the bearing seal area.
This bulletin supersedes TSB 02-06-99, dated June 11, 1999. The revisions include the addition of 4x2 models and additional model years. This information-only bulletin discusses the fact that front wheel bearings may be incorrectly diagnosed as faulty due to the evidence of wheel bearing grease on the bearing seal areas. This grease purge is a normal design condition. The factory fill of the bearings includes a slightly greater amount of grease than is required for the bearing lifetime lubricant. A portion of the grease purges through the self-venting seal in the initial few thousand miles to form an additional barrier in the area of the seal and the stamped slinger. This barrier aids in the prevention of contaminants passing through the seal and into the bearing. Do not remove or clean the purged grease as part of normal maintenance because it provides additional protection and once removed, damage to the seal and bearing could result.
02-13-99 All Squeaking noise from rear leaf springs.
This bulletin supersedes TSB 02-03-96, dated may 31, 1996. If the diagnosed condition is a squeaking noise coming from the rear of the vehicle, the bulletin gives the correct repair procedure to replace the leaf spring tip liners/install spring clip isolators.
02-04-00 A All Squeaking/clicking noise from rear leaf springs.
If the vehicle has a squeaking/clicking noise coming from the rear of the vehicle, verify that the noise is coming from the rear springs as the vehicle’s suspension goes through jounce and rebound. If a squeaking/clicking noise is coming from the rear springs, perform the repair procedure. The procedure involves replacing the spring tip liners and installing spring clinch clip insolators.
02-001-01 All Rear of vehicle sits too high to allow hook up to a fifth-wheel trailer.
This bulletin applies to 2500 and 3500 4x4s. The curb hight lowering package is designed to reduce the rear spring spacer block by 1 7/8 inch, which will lower the rear of the vehicle by several inches proving clearance so that most customers can attach their fifth-wheel or goose neck trailer to the trailer hitch turntable.

Category 3 - Rear Axle

Category 5 - Brakes

05-07-97 All Parking brake release handle does not fully return.
The bulletin applies to trucks built prior to 8/15/97. If applicable, the repair procedure involves replacing a park brake release lever with a revised part.
05-04-98 All Height sensing proportioning valve removal.
This procedure should only be performed on 2500 series 4x4 vehicles that are continuously operated at 75% or greater GVW and have had their rear suspension altered. The bulletin describes a procedure the dealer should follow in the removal of a rear height sensing proportioning valve. Removal of the proportioning valve should help prolong front brake life.
05-04-99 All Chassis dynamics diagnosis.
This 21-page bulletin involves diagnosis and repair of a vehicle drift condition and on some vehicles, installing a shim between the wheel and the brake rotor, between the wheel and hub/ bearing assembly, or between the wheel and hub extension.

Chassis dynamics diagnosis is the diagnosis of a condition where the vehicle may move either to the right or the left when not controlled by the driver. This condition can be caused by any of the following: Non-factory installed options (e.g. snow plow), tires or wheels of different size, aftermarket wheels, tires that have a belt that has shifted, incorrect tire pressure, a vehicle that is carrying extra added weight (e.g. tool boxes), steering and/or suspension components that are worn or damaged, wheel bearings that are worn or damaged, a vehicle that is not with in alignment specifications, brake drag from brake components that do not release, or braking imbalance.

Additionally, under certain road conditions (e.g. high road crown, grooved roads, etc.), most vehicles will move to the right or left uncontrolled by the driver. Also, the same may happen if a cross-wind condition exists.

Category 6 - Clutch

06-01-98 All Release fork orientation.
This bulletin applies to vehicles equipped with an NV4500 manual transmission and either the 8.0L gas engine or the 5.9L Cummins diesel engine. The bulletin covers the proper installation of the clutch release fork.

Category 7 - Cooling

07-03-97 All Engine coolant usage.
This information only bulletin discusses the use of propylene glycol instead of ethylene glycol coolants.
07-08-98 All Diesel engine overheating.
This information applies to vehicles equipped with a 24 valve Cummins diesel engine with an engine serial number (ESN) 56512007 or prior. This bulletin involves replacing the thermostat with a revised part (05015090AA).

Category 8 - Electrical

08-30-97 All Ashtray receiver lamp degrades from blue-green to bright white.
The ash receiver lamp, when illuminated, may change from a blue-green illumination to a bright white illumination. This change will occur over a long period of time of continuous use. This bulletin involves replacing the ash receiver lamp and housing with revised parts.
08-32-97 All NHTSA authorized airbag deactivation for medical necessity.
This information only bulletin describes the procedures necessary to deactivate airbags authorized by NHTSA. Airbag deactivation is a customer pay procedure, not covered under the provisions of warranty.
08-35-97 All Dead battery from ignition off draw (IOD).
The problem described is a dead battery due to the glove box lamp remaining illuminated when the glove box door is closed. The proper diagnosis involves performing an ignition-off draw (IOD) test as described in the ‘98 Service Manual. If necessary the bulletin outlines the installation of two spacers between the glove box lamp switch bracket and the instrument panel glove box opening upper reinforcement.
08-39-97 All Remote keyless entry transmitter batteries discharge prematurely.
This bulletin applies to vehicles built prior to August 15, ‘97 and describes a condition where the Remote Keyless Entry transmitter batteries discharge in approximately 6 weeks. The repair calls for replacement and reprogramming of the transmitter.
08-09-98 All Driver side power mirror vibrates while driving.
This bulletin supersedes technical service bulletin 23-39-97, dated June 27, 1997. The problem covered is that the driver side power mirror vibrates or causes blurred images in driver side mirror while driving. If removal of aftermarket bugscreen deflectors does not cure the problem, a procedure for installing a mirror reinforcement bracket is described.
08-11-98 All Delayed operation of fog lamps.
The fog lamps illuminate approximately two seconds after being turned ON with the headlamp LOW beams illuminated. This condition may also occur when the headlamps are turned from HIGH beam to LOW beam with the fog lamps ON. The repair involves checking the headlamp connector for proper wire location.
08-13-98 All Headlamp switch knob pulls out of headlamp switch.
This bulletin applies to vehicles built before November 16, 1997. Rotate the headlamp switch knob to the full dim position. Then, apply pressure to the side of the knob and pull the knob to turn the headlamps ON. If the knob pulls out of the headlamp switch when the headlamps are turned ON, replace the knob using the described repair procedure.
08-14-98 All Clicking, rattling, or ratcheting noise coming from the seat belt retractor.
This bulletin applies to all club cab vehicles (both two door Club Cab and Quad Cab models) built before March, 5, 1998. During normal operation, the seat belt retractor on the vehicles listed above may emit a clicking, rattling, or ratcheting noise. This noise may be caused by a solenoid that is energized and de-energized to operate the retractor spool of the seat belt retractor assembly. The solenoid is controlled by a Seatbelt Control Timer Module (SCTM) which unlocks the retractor when energized.

If your diagnosis determines and the owner feels that the noise occurs too frequently, the SCTM on your vehicle may be too sensitive and should be replaced.
08-16-98 All Installation of radio transmitting equipment.
This bulletin supersedes technical service bulletin 08-22-95, dated May 12, 1995. This information-only TSB is provided to assist in properly installing communication equipment in Chrysler vehicle. This information should be given to any owner inquiring about installing radio transmitting equipment.
08-17-98 All Airbag on-off switches.
This bulletin supersedes technical service bulletin 08-17-98 Rev. B dated September 18, 1998. This information only bulletin is provided to identify the parts and procedures necessary to deactivate airbags authorized by NHTSA. Airbag deactivation is a customer pay procedure.
08-21-98 All Radio Interference to/from two-way radio receivers.
Customers may complain of intermittent poor reception on their two-way radios. This condition does not affect the operation of any AM or FM band radio. Radio receivers from approximately 20 MHZ to 174 MHZ may be susceptible to Radio Frequency Interference (RFI) from the fuel pump module’s motor. If there is RFI, the bulletin describes the installation of an RFI filter in series with the electric fuel pump.
08-35-98 All Instrument cluster bezel breaks when removed.
This information-only bulletin is a reminder that the instrument cluster bezel is retained by several snap clip retainers and one screw located underneath the power outlet access door. It is imperative that this singular screw is removed prior to attempting to remove the instrument cluster bezel from the instrument cluster.
08-36-98 All Use of two digit calendar year codes in automotive computers.
There has been a great deal of recent media attention regarding the turn of the century (year 2000, Y2K, etc.) and the effect it will have on computers that have used two-digit calendar year coding in their programming. Questions are arising regarding computers used in automotive applications and the effect year 2000 will have on them.

Two digit calendar-year codes have not been used in any Chrysler automotive onboard applications and no problems related to use of two digit coding for calendar years are anticipated.
08-06-99 A All Radio interference to/from two-way radio receivers.
This bulletin supersedes technical service bulletin 08-06-99, dated March 5, 1999. Customers may complain of intermittent poor reception on their two-way radios. This bulletin involves installing a RFI filter in series with the electric fuel pump motor. 12/17/99
08-22-99 All Intermittent operation of oil pressure gauge.
This bulletin applies to vehicles equipped with the 5.9L Cummins 12-valve Turbo Diesel engine built before January 5, 1998. The condition for correction is an oil pressure gauge that intermittently drops to zero pressure. In addition, the warning chime may sound when the oil pressure gauge drops to zero pressure and the check gauge lamp may come on. Proper repair involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (a calibration change).
08-32-99 All Radio interference to/from two-way radio receivers.
This bulletin addresses the complaint of intermittent poor reception on two-way radios, and discusses the proper repair. Radio receivers from approximately 30 MHZ to 50 MHZ may be susceptible to Radio Frequency Interference (RFI) from the Airbag Control Module (ACM).

Note: technical service bulletin 08-06-99, dated March 5, 1999, addresses two-way radio interference from the fuel pump module and should be performed prior to performing this technical service bulletin.
08-37-99 All Airbag On-Off Switches.
This bulletin supersedes technical service bulletin 08-17-98 Rev C, dated December 30, 1998. This information-only bulletin identifies the parts and procedures necessary to deactivate airbags authorized by NHTSA. Airbag deactivation is a customer pay procedure, NOT covered under the provisions of the warranty.
08-42-99 All The fuel gauge reads full for an excessive period of time.
This bulletin applies to vehicles equipped with the 5.9L Cummins diesel engine. After driving over 200 miles, the fuel gauge may read full until the vehicle travels over a bump in the road and then the gauge operates normally. This condition may be caused by the float in the fuel pump module sticking and may be difficult to diagnose. Perform the repair procedure (new fuel pump module) if the customer’s concern matches the description identified in the Symptom/Condition.
08-43-99 All Central timer module software update when a wiper module is replaced.
This bulletin applies to vehicles equipped with remote keyless entry. Due to a design change in MOPAR replacement wiper modules, the central timing module must be updated with new software in order to allow the wiper module to function properly. The outlined repair procedure must be performed any time the wiper module is replaced.
08-11-00 All Recordable compact discs used in automotive CD players.
Some recordable compact disc media, such as CD-R and CD-RW, may not comply with the standard CD format used in automotive CD players. When these CDs are used, customers may encounter error messages skipping, or delaminating of the labels, which can cause an eject failure. It is important to question whether these kinds of CD media are being used. When customers encounter these symptoms, check the system with a known playable CD. The media may not be compatible with some automotive CD players. Replacing or exchanging the CD player will not address these issues.
08-16-00 All Front door speaker buzz.
The bulletin discusses a buss noise coming from the front door speaker(s). The noise may be more noticeable while listening to “talk” radio segments with deep male voices. The repair procedure involves installing a urethane foam pad between the inner door panel and the door trim.
08-18-00 All Radio Interference to/from two-way radio receivers.
Customers may complain of intermittent poor reception on their two-way radios. This bulletin involves installing a RFI filter in series with the electric fuel pump motor.
08-23-00 All Plastic boot to protect the electrical harness B+ end terminal at the generator.
While service is being performed to the engine, it may be possible for a momentary electrical short to occur. The electrical short may be caused when a metallic object, such as a wrench or oil filter, comes in contact with the B+ end terminal of the generator wire harness. The B+ end terminal is bolted to the generator B+ stud (output terminal). The B+ stud on the generator is protected by a plastic surround. Part of the wire harness end terminal may extend beyond the protective plastic surround for the B+ output terminal.

This bulletin applies to vehicles equipped with a 5.9L – 24V diesel engine built before engine serial number 56681800 with a date of manufacture of January 29, 2000. The repair procedure involves the installation of a protective rubber boot (part number 04487042) over the B+ terminal.
08-010-01 All Airbag/clock spring service.
When servicing any airbag system, it is essential to follow the proper Service Manual and/or Diagnostic Manual procedures for diagnosing, testing, and replacing of any component. Do not use silicone or any other lubricant spray on or near the clock spring. Lubricants are often used in the clock spring area of the steering column to eliminate noise. Any repair that may disrupt the positioning of the steering wheel with the front wheels will require that the clock spring be centered. This includes clock spring replacement, steering column service, HVAC service, steering gear service, and front suspension crossmember service.

Category 9 - Engine

09-06-98 All Incorrect engine oil dipstick.
This information applies to vehicles equipped with 24 valve Cummins diesel engines. Some early 1998 24 valve diesel engines were built with an incorrect dipstick calibration. This incorrect marking causes an overfilled condition of approximately 1 1/2 quarts when at the top end of the safe zone on the dipstick. This overfill condition is not damaging to the engine. The Cummins part number is stamped on the dipstick. The incorrect Cummins P/N is 3944594. The problem is corrected with the installation of a revised dipstick, 05014562AA/Cummins 3935648.
09-04-99 All Hard-to-diagnose noise coming from the engine turbocharger area.
This bulletin applies to vehicles equipped with a Cummins 5.9L – 24V diesel engine built prior to engine serial number (ESN) 56587424. The ESN is located on the engine data plate which is located on the front left side of the engine, affixed to the gear housing.

A noise may be present which on initial investigation may sound like a noisy turbocharger bearing. The sound of the noise may be described as a whistle, a squeal, a howl, a moan, or a gurgle. The noise will be more noticeable as engine temperature increases. The noise will most often occur when the warm engine is operated between 1,500 and 2,200 rpm’s. The noise is usually heard in the cab, louder on the passenger side or seems to come form the dash vents. The noise may be caused by the coolant supply hose connector. The connector is located on the cylinder head next to the turbocharger. The connector is used to supply coolant to the heater hose. The bulletin describes the replacement of the hose connector.
09-002-01 All Exhaust manifold bolt retention straps.
This bulletin applies to vehicles equipped with a 24-valve diesel engine built on or between engine serial number 56419738 and 56777585, with a date of engine manufacture from January 01, 1998 to September 22, 2000. This information is available on the engine data plate, which is located on the left side of the engine, affixed to the side of the timing gear housing.

Vehicles that are used for extended heavy trailer hauling purposes may experience a loss of exhaust manifold bolt torque. This condition may lead to exhaust gas blow-by past the exhaust manifold gasket(s) and even loss of exhaust manifold bolts.

A new exhaust manifold bolt retention strap has been released as a means of locking the outboard exhaust manifold bolts in place. This will prevent bolt rotation and torque loss during the thermal expansion and contraction cycles of the exhaust manifold.
09-003-01 All Engine oil additives/supplements.
(EOS) should not be used to enhance engine oil performance. Engine oil additives/supplements should not be used to extend engine oil change intervals. No additive is known to be safe for engine durability and can degrade emission components. Additives can contain undesirable materials that harm the long term durability of engines. Generally it is not desirable to mix additive packages from different suppliers in the crankcase; there have been reports of low temperature of low temperature engine failures caused by additive package incompatibility with such mixtures.
09-004-01 All Engine lubricant.
This bulletin involves 1989-2001 Ram trucks equipped with the 5.9L Cummins diesel engines. This bulletin discusses the recommended oil filters for use with Cummins 5.9L diesel engine.
Part NoManufacturer
05016547ACMopar
LF3894Fleetguard Stratapore
LF3552Fleetguard Microglass
LF3959Fleetguard Cellulose
3937695Cummins Cellulose
FL896MotorCraft Cellulose
L45335Purolator Cellulose
PF1070AC Delco Cellulose

The information only bulletin was issued to alert the field to problems caused by aftermarket oil filter. For example, neoprene compounds used internally in the manufacture of oil filters not recommended by DaimlerChrysler may seperate from the filter, lodge in the piston cooling nozzle, and cause the engine to fail. THIS IS NOT AN ENGINE DEFECT.
09-006-01 All Engine Oil Pan Gasket Sealing
This bulletin applies to Ram trucks equipped with the 24-valve diesel engine. Repeated oil pan gasket leaks can occur on 24-valve diesels if the gasket is applied without the use of Mopar Silicon Rubber Adhesive (RTV) Sealant (PN 04883971). This bulletin provides routing of the sealant when replacing the engine oil pan gasket. When replacing an oil pan gasket, apply a 1/8" bead of RTV to the oil pan side of the gasket , around the back of the engine, extending up to the fourth bolt hole from the rear on each side, as per the referenced diagram.
09-002-02 All Crankcase Breather Overflow
This bulletin applies to 1998-2002 (BR) Ram trucks equipped with the 24-valve Cummins diesel engine built after March 27, 1998 (engine serial number 56443872). Owners of these vehicles may experience engine oil overflow from the front crankcase breather when the vehicle is operated off-road on an extreme downhill grade (37.5% or 22° slope/grade). Operation of this type for extended periods of time can cause enough engine oil depletion to damage the engine. A kit containing all components necessary to eliminate the oil overflow has been made available. If the condition exists, perform the repair procedure outlined in this bulletin. The repair involves the addition of a new breather kit.
09-008-02 All Engine knock or rattle sound when climbing a long grade and towing a heavy trailer.
This bulletin applies to 1998-2002 Ram trucks equipped with the 24-valve Cummins diesel engine (sales code ETC or ETH). Owners may experience an engine knock or rattle sound when climbing a long grade while towing a heavy trailer. If the condition exists, replace the engine thermostat as outlined in the service manual. Note: Mopar 05015708AC is to be used exclusively for this service bulletin. Use thermostat 05015708AB for all other 24-vlave Cummins thermostat repairs.

Category 11 - Exhaust

11-08-98 All Turbo Diesel wastegate actuator repair kit.
A new kit has been released that will allow technicians to repair turbochargers with failed wastegate actuators.

Category 14 - Fuel

14-01-98 A All High pressure fuel line service.
This bulletin supersedes technical service bulletin 14-01-98 dated March 6, 1998. This information applies to the 5.9L Cummins electronically injected 24 valve diesel built prior to engine serial number (ESN) 56462592. Design revisions have been made to the injector connector tube, and the new design can be re-torqued multiple times without compromising the seal between the connector tube and high pressure fuel line. The new part number for this connector tube is 05013856AA/Cummins 3944833.
14-02-98 All Fuel filter requirements.
With the introduction of the Cummins 24 valve electronically injected engine, a new VP44 injection pump was also introduced. The VP44 injection pump requires finer fuel filtration due to tighter tolerances within the pump. Whenever a fuel filter is replaced, make sure the replacement filter is part number 04883963AB/Cummins 3931476/Fleetguard FS19528.
14-04-98 All Accelerator pedal buzzing noise with cruise control engaged.
This bulletin applies to vehicles equipped with the 5.9L 24 valve Cummins diesel engine. If an audible buzz is coming from the accelerator pedal when the cruise control is engaged a road test diagnosis is described. If necessary, a re-routing of the accelerator cable is described.
14-03-00 All Maintenance to the Water-In-Fuel sensor probes due to possible fuel contamination.
The probes on the end of the Water-In-Fuel (WIF) sensor may become less effective at sensing the presence of water in the fuel if they are exposed to contaminated fuel. Contaminant from the fuel may insulate the WIF sensor probes and inhibit the WIF lamp from illuminating when water is present.

Any time service is performed on the fuel filter or fuel filter housing, the probes on the end of the Water-In-Fuel sensor should be cleaned. Use a clean cloth to wipe the WIF probes of any contaminant.
14-002-02 A All Tampering with VP44 fuel pump on Cummins diesel engine.
This bulletin supersedes technical service bulletin 14-002-02, dated July 1, 2002. A number of the VP44 fuel pumps have been returned through the warranty process as a result of tampering. Generally, the customer complains that the vehicle dies while driving. When diagnosed, there may or may not be Diagnostic Trouble Codes (DTC) present. When DTCs are present, there may be one or more of the following:
DTCP CodeDescription
124P 0234Turbo boost limit exceeded.
146P 0217Decreased engine performance due to engine overheat condition.
361P 0254Fuel injection pump fuel valve current too high.
363P 0251Fuel injection pump mechanical failure fuel valve feedback circuit.
364P 1689No communication between ECM and injector pump module.
375P 0602ECM fuel calibration error.

The diagrams show the area where performance enhancing equipment is being connected into the outboard wire of the two wires that control operation of the metering solenoid in the pump. Another type of device places a connector between the metering solenoid harness and the upper connector on the pump. Telltale evidence can be seizure of the pump rotor, and/or cracked or overstressed pump cam ring. The protective sleeve around the two wires may be rolled or cut back to gain access for connection. Injection pumps that have been tampered with are not warrantable.

Category 16 - Propeller Shafts & U-joints

Category 18 - Vehicle Performance

18-29-97A 5sp trans Vehicle bucking on ‘96 thru ‘98 trucks with the Cummins engine and a manual transmission.
This bulletin supersedes TSB 18-29-97, dated 10/17/97. The condition to be corrected is one where the vehicle may exhibit a bucking or jerking condition while under light acceleration or while driving at steady state speeds. The vehicle may be in a loaded or unloaded state when the bucking or jerking occurs. This condition results from the sensitivity of the throttle linkage to driver input. The repair procedure involves replacement of the throttle linkage levers with revised parts.
18-06-98 All Hard starting diagnosis.
This information applies to the 5.9L Cummins mechanically injected 12 valve diesel. The discussion covers hard or no-start diagnosis and repair.
18-07-98 All Effects of incorrect idle speed.
This information applies to the 5.9L Cummins mechanically injected 12 valve diesel. Incorrect idle adjustments (either too high or low) may cause many different customer concerns. The bulletin gives a list of items that explain the condition/symptoms associated with incorrect idle settings along with component checks and specifications to set it properly.
18-02-99 All Erratic torque converter clutch (TCC) operation.
This information applies to vehicles equipped with a 5.9L 24-valve diesel engine and automatic transmission built between January 1, 1998 and December 18, 1998. Some vehicles may exhibit a surge-like condition while in fourth gear. This may be caused by the TTC unlocking and locking when it should be consistently locked. The cause of this erratic operation has been identified as electrical noise from the Throttle Position Sensor (TPS) or Alternator. This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (calibration changes 98cal12 and 99cal14).
18-07-99 All Erroneous MIL illumination with DTC $A8 (P1763) governor pressure sensor volts too high.
This information applies to vehicles equipped with a reseries automatic transmission built before December 18, 1998. Some vehicles may exhibit a MIL illumination with DTC $A8 (P1763) -GOVERNOR PRESSURE SENSOR VOLTS TOO HIGH. The vehicle operator may experience slower than normal accelerations because the transmission may temporarily enter third gear “Limp-In” Mode. The “Limp-In” Mode may last until the vehicle owner cycles the ignition key. The technician may not detect a problem with the automatic transmission during a diagnostic test or test drive. The MIL is caused by an increase in hydraulic pressure. The increased hydraulic pressure is the result of a new valve body machining process. Vehicles built after January 1, 1998 have an automatic transmission with this new process valve body. Vehicles built before January 1, 1998 may experience this condition if either the transmission valve body or the entire automatic transmission was replaced with components manufactured after January 1, 1998. This bulletin involves selectively erasing and reprogramming the JTEC Powertrain Control Module (PCM) with new software (calibration changes 99Cal14, 98Cal12).
18-08-99 All Improved speed control system sensitivity to set speed.
Some customers may complain that their vehicle speed control system may be too busy or drift more than 2 mph below or above the initial vehicle set speed. Vehicle load and road/terrain conditions may impact this issue. The new PCM software improves the speed control system sensitivity so that the vehicle speed remains closer to its set speed with fewer engine rpm oscillations. This bulletin involves selectively erasing and reprogramming the JTEC Powertrain Control Module (PCM) with new software (calibration changes 98Cal12A, 99Cal 17). There is no change to the Cummins CM551 Engine Control Module (ECM) software.
18-11-99 All Slow acceleration or lack of power while towing or hauling a heavy load.
This information applies to vehicles equipped with a 5.9L - 24V diesel engine built before engine serial number 56587297 with a date of engine manufacture of May 5, 1999. This information is available on the engine data plate, which is located on the left side of the engine, affixed to the gear housing. There may be a condition of low power or slow acceleration when towing or when hauling a heavy load. This software change, to the Cummins CM551 diesel engine controller, will increase engine torque. Some 1998 BR vehicles equipped with a 5.9L - 24V diesel engine may already have the latest software revision. Verify that the ECM is at calibration level 98T17 (p/n’s 333034303J / 333035303J / 333036303J / 333037303J). If the calibration level is 98T17, then this TSB does not apply and further powertrain diagnosis may be required. This bulletin involves selectively erasing and reprogramming the Cummins CM551 Engine Control Module (ECM) with new software (calibration changes 98Cal T17 and 99CalT8B). There is no change to the JTEC PCM software.
18-21-99 All 5.9L - 24V Cummins diesel low power or poor performance diagnostic.
The vehicle operator may complain of slow acceleration or a lack of power when towing or hauling moderate to heavy loads. The condition may be worse at higher altitude. Do not proceed with this technical service bulletin until TSB 18-11-99 has been performed. This bulletin further describes diagnostic procedures that may be used to assist the technician in the diagnosis of a low power or poor performance complaint.
18-015-00 A All Driveability enhancements for winter fuel use and for hard starts.
This bulletin applies to vehicles equipped with a 5.9L-24V diesel engine built between engine serial numbers 56419738 to 56798357, with a date of manufacture of December 16, 1997 to November 15, 2000.

The customer may complain of poor driveability when winter fuel is used to power the engine. Or, the customer may complain of a hard or no-start condition, while the engine is at normal operating temperatures, when using any type of good quality diesel fuel. The poor driveability condition may occur only when either straight #1 diesel fuel is used or when other special cold climate winter blend fuels are in use.

The no-start or long engine crank condition may occur when attempting to restart the engine while the temperature of the engine is till close to its normal operating temperature. This hard hot restart condition may be experienced in all ambient climates, but may be more of a concern in warmer ambient climates. The repair involves selectively erasing and reprogramming the Cummins CM551 Engine Control Module (ECM) with new software.
18-014-01 All Performance enhancement for severe cold weather environments.
This bulletin applies to all Ram trucks equipped with a 5.9L 24-valve Cummins diesel engine with a 49-state emissions calibration and an automatic transmission. The bulletin describes how to selectively erase and reprogram the Powertrain Control Model (PCM) with new software (59t7a). The problem addressed by the PCM reprogram is a hard starting and/or idle speed fluctuations condtion.

Cummins 24-vavle engines used with automatic transmissions can be severely affected by the use of sub-grade #1 diesel fuel when ambient temperatures are below 0°C (32°F), typically prevalent during the Winter months in Alaska, Northwestern Canada, and similar climates/temperatures elsewhere.

This change will have no effect on performance during warm weather or when standard grade diesel fuels #1 or #2 are used.

Vehicles with 49-state certification can apply this calibration if needed. The calibration can be changed back to the original calibration if desired.
18-019-01 All 24v engines Cold idle engine warming.
This bulletin involves selectively erasing and reprogramming the Engine Control Module with new software. This bulletin applies to all Ram trucks built after December 17, 1997 equipped with the 24-valve 5.9L Cummins diesel engine.

Extended idle operation, especially in cold weather, can allow varnishes/oils to condense on the exhaust valve stems, leading to stuck valves, and damaged valve train components. The repair procedure involves calibration software that will activate when certain parameters are met, reducing the chance of valve sticking as well as improving cab heat warm-up time. Idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met:
* Intake Manifold Temperature less than 60°C (32°F)
* Coolant Temp is less than 60°C (140°F)
* The transmission is in Neutral or Park
* The Service Brake pedal is not depressed
* Throttle = 0%
* Vehicle Speed = 0 mph

If intake manifold temperature (IMT) is less than -9°C (15°F), three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. Thus the engine has to work to overcome the three “dead” cylinders. This allows the engine to create increased heat in the cooling system, allowing more rapid warm up.

Either feature will abort when any one of the following occurs:
* The automatic transmission is placed in gear (forward or reverse)
* The service brake pedal is depressed
* Throttle position is greater than 0%
* Vehicle speed greater than 0 mph
* Coolant temperature is greater than 79°C (175°F)
18-030-03 All Generic Cummins engine control module (ECM) procedure.
This bulletin applies to Ram trucks equipped with the 5.9L Cummins 24-valve diesel engine (sales code ETC or ETH). Mopar is phasing out pre-programmed Cummins Diesel engine control modules (ECM). New modules will no longer be pre-programmed when received from Mopar. Replacement of future ECM’s will require programming utilizing the DRBIII and TechCONNECT.
18-030-03 24V Generic Cummins engine control module (ECM) procedure.
This bulletin applies to Ram trucks equipped with the 5.9L Cummins 24-valve diesel engine (sales code ETC or ETH). Mopar is phasing out pre-programmed Cummins Diesel engine control modules (ECM). New modules will no longer be pre-programmed when received from Mopar. Replacement of future ECM’s will require programming utilizing the DRBIII and TechCONNECT.
18-033-04 All Cummins engine control module (ECM) procedure.
Mopar is phasing out pre-programmed Cummins diesel engine control modules (ECM). New modules will no longer be pre-programmed when received from Mopar. Replacement of future ECM's will require programming at the dealership. This bulletin describes the programming procedure.

Category 19 - Steering

19-10-97 All Steering wander.
If when driving on a straight road, a higher than normal steering wheel movement (perceived as excessive play) is required to keep the vehicle going straight or if over-compensating the steering to keep the vehicle from wandering is a condition, the bulletin describes the diagnosis and repair procedure. The repair involves adjustment of the over-center and, if necessary, the worm thrust bearing preload adjustments on the steering gear.
19-03-99 All Steering slow to return to center.
This bulletin supersedes technical service bulletin 19-01-94, dated January 28, 1994. This bulletin applies to 4x4 vehicles equipped with a Dana model 60 front axle (sales code DRD). The rate of steering return to center (after turning a corner) may be slower than normal or may require slight steering wheel correction while driving straight ahead. The repair involves performing a ball joint tightening sequence.
19-04-00 All Squeaking/creaking sound in steering column while turning.
This bulletin applies to vehicles equipped with non-tilt steering columns. A squeaking/creaking sound may be heard coming from the area of the steering wheel while turning. The sound is associated with rotation fo the steering wheel or may be heard while going over bumps in the road. The repair involves installing new lock housing attaching screws.
19-009-01 All Driver airbag trim cover service.
Driver airbag trim cover/horn switches for the above vehicles are serviceable and as such when applicable, must be used instead of replacing the airbag module assembly. Airbag module assemblies returned for trim cover and serviceable horn switch issues, are subject to charge back.

The horn switch is integral to the driver airbag unit. Only DaimlerChrysler-trained and authorized dealer service technicians should perform service of this unit. Failure to take the proper precautions or to follow the proper procedures could result in accidental, incomplete, or improper airbag deployment and possible occupant injuries.
19-003-02 All Hissing sound coming from the power steering system on vehicles equipped with hydroboost brakes.
A hissing sound may be present in the power steering system during steering maneuvers or straight ahead driving. This bulletin involves replacing the power steering hoses connecting the hydroboost to the power steering pump and gear.
19-005-03 All Power steering fluid usage.
The factory fill power steering fluid for most 2004 model year Chrysler Group vehicles is ATF+4 (part number 05013457AA/S9602) and it provides superior performance at both low and high temperatures. Refer to the table to identify factory fill and the approved service power steering fluid by year and model. From the table it is noted that the ’94 to ’02 truck uses part number 04883077/MS5931.

MS9602 should not be mixed or used as a "topping off" fluid on systems requiring MS5931.
19-005-03 All Power steering fluid usage.
The factory fill power steering fluid for most 2004 model year Chrysler Group vehicles is ATF+4 (part number 05013457AA/S9602) and it provides superior performance at both low and high temperatures. Refer to the table to identify factory fill and the approved service power steering fluid by year and model. From the table it is noted that the ’94 to ’02 truck uses part number 04883077/MS5931.

MS9602 should not be mixed or used as a “topping off” fluid on systems requiring MS5931.

Category 21 - Transmission

21-10-98 Manual trans Loss of fifth gear.
This bulletin supersedes technical service bulletin 21-10-98, with an effective date of September 11, 1998. This bulletin applies to vehicles equipped with a NV 4500 manual transmission and the 8.0L V10 gas engine or the 5.9L Cummins diesel engine. The problem described is that the transmission operates normally through all ranges except fifth gear. The 14 page bulletin describes the proper repair procedure.
21-08-99 All Buzz, whine or moaning-type noise from a cold transmission when reverse is selected.
Some vehicles may exhibit an intermittent noise from the transmission when reverse gear is selected. This noise has been described as a buzz, whining, or moaning-like noise. The noise is most noticeable when transmission fluid temperature is below 100 degrees F (38C). The condition is caused by a resonance of the transmission regulator valve system. The repair involves replacing the transmission regulator valve.
21-04-00 All Erroneous MIL illumination for P1763 – Transmission Governor Pressure Sensor Volts Too High.
Some vehicles may exhibit a MIL illumination with a Diagnostic Trouble Code (DTC) of P1763 – Transmission Governor Pressure Sensor Volts Too High. The vehicle operator may experience slower than normal vehicle accelerations because the transmission may have temporarily entered its third gear “limp-In” mode as a result of the DTC. The “Limp-In” mode may last until the vehicle owner cycles the ignition key. The technician may not detect a problem with the automatic transmission during a diagnostic test or test drive.

The MIL is caused by an increase in hydraulic pressure. The increased hydraulic pressure is the result of a new valve body machining process, which entered into production January 1, 1998. This condition will occur most often with vehicles that were built between January 1, 1998 and December 18, 1998.

Vehicles built prior to January 1, 1998 may also experience this condition if the valve body or the transmission assembly is replaced with components built after January 1, 1998.

This bulletin involves selectively erasing and reprogramming the JTEC Powertrain Control Module (PCN) with new software.
21-006-01 Auto trans Automatic transmission fluid usage ATF+4 (Type 9602).
This information only bulletin supersedes technical service bulletin 21-16-99, date October 22, 1999. The bulletin discusses a new transmission fluid (ATF+4 - Type 9602) which has been developed and is being used as factory fill for all vehicles with Chrysler automatic transmissions. Until now, vehicles originally filled with ATF+2 or ATF+3 were to be serviced with ATF+3. Effective immediately, it is recommended that all vehicles with Chrysler automatic transmissions except for 1999 and earlier minivans be serviced with ATF+4. ATF+3 should continue to be used for 1999 and earlier minivans because of the potential for torque converter shudder during break in. For all other applications the ATF+4 fluid offers significant benefits as outlined below.

ATF+4 must always be used in vehicles that were originally filled with ATF+4.

Service intervals do not change. The service interval currently in effect for a given vehicle should continue to be followed.

ATF+4 is compatible with ATF+3 and can be used to top off vehicles that currently have ATF+2 or ATF+3. Do not use ATF+2 or ATF+3 to top off vehicles that have ATF+4 fluid.

Benefits:
  • Better wear properties
  • Improved rust/corrosion prevention
  • Controls oxidation
  • Eliminates deposits
  • Controls friction
  • Retains anti-foaming properties
  • Superior properties for low temperature operation
Mopar ATF+4 is a World Class Fluid having exceptional durability. However, the red dye used in ATF+4 is not permanent; as the fluid ages it may become darker or appear brown in color. ATF+4 also has a unique odor that may change with age. With ATF+4 fluid, color and odor are no longer indicators of fluid condition and do not support a fluid change.
21-009-03 All Automatic transmission diagnostic teardown procedure.
This bulletin provides a procedure to determine repair versus replacement of an automatic transmission assembly.
21-010-06 Auto Automatic transmission fl uid usage ATF+4 (Type MS9602).
This bulletin supersedes technical service bulletin 21-004-04, dated March 16, 2004. ATF+4, type 9602, is being used as factory fi ll for Chrysler Group automatic transmissions. ATF+4 is recommended for all vehicles equipped with Chrysler Group automatic transmissions except for those noted: AW-4 transmissions, Sprinter transmissions, Crossfi re transmissions, MK/PM vehicles equipped with Continuously Variable Transmission (CVT). ATF+4 is backward compatible with ATF+3, ATF+2, and ATF+. Additionally, ATF+4 can be used to top off vehicles that used ATF+3, ATF+2, or ATF+. Benefi ts:
  • Better anti-wear properties
  • Improved rust/corrosion prevention
  • Control of oxidation.
  • Elimination of deposits
  • Control of friction
  • Retaining anti-foaming properties
  • Superior properties for low temperature operation
Mopar ATF+4 has exceptional durability. However, the red dye used in ATF+4 is not permanent; as the fl uid ages it may become darker or appear brown in color. ATF+4 also has a unique odor that may change with age. With ATF+4 fl uid, color and odor are no longer indicators of fl uid condition and do not necessarily support a fl uid change.
21-003-07 All Automatic transmission diagnostic tear down procedure.
This bulletin provides a procedure to determine repair versus replacement of an automatic transmission assembly. Follow the proper repair procedure based on the transmission type. This procedure is to be used after the transmission has been removed from the vehicle.

This bulletin supersedes technical service bulletin 21-008-06, dated 04/08/06.
21-014-07 All Automatic transmission fl uid usage ATF+4 (Type MS9602).
This bulletin supersedes technical service bulletin 21-010-06, dated 4/16/06. ATF+4, type 9602, is being used as factory fi ll for Chrysler Group automatic transmissions. ATF+4 is recommended for all vehicles equipped with Chrysler Group automatic transmissions except for those noted: Sprinter transmissions, Crossfi re transmissions, MK/PM vehicles equipped with Continuously Variable Transmission (CVT) all vehicles equipped with a A568RC transmission (sales code DG3), all vehicles with a Gentrag MP56 (sales code DG5), and Grand Cherokee’s with the diesel engine option. ATF+4 is backward compatible with ATF+3, ATF+2, and ATF+. Additionally, ATF+4 can be used to top off vehicles that used ATF+3, ATF+2, or ATF+. Benefits:
  • Better anti-wear properties
  • Improved rust/corrosion prevention
  • Controls oxidation
  • Eliminates deposits
  • Controls friction
  • Retains anti-foaming properties
  • Superior properties for low temperature operation.
Mopar ATF+4 has exceptional durability. However, the red dye used in ATF+4 is not permanent; as the fl uid ages it may become darker or appear brown in color. ATF+4 also has a unique odor that may change with age. With ATF+4 fl uid, color and odor are no longer indicators of fl uid condition and do not necessarily support a fl uid change.
21-021-08 All Automatic transmission diagnostic tear down procedure.
This bulletin provides a procedure to determine repair versus replacement of an automatic transmission assembly. Follow the proper repair procedure based on the transmission type. This procedure is to be used after the transmission has been removed from the vehicle.

Category 22 - Wheels & Tires

Category 23 - Body

23-61-97 All Noise coming from cargo box area.
The problem is an “oil canning” noise complaint coming from the box area caused by the cargo box cross member contacting the vehicle’s frame as the vehicle is operated over a rough-surfaced road. The repair involves installing isolators on two cargo box cross member rails.
23-67-97 All Upper rear corner of front door contacts upper front corner of cargo door.
This bulletin applies to Quad Cab Ram trucks and describes a door closing condition where the upper rear corner of the front door may come in contact with the upper front corner of the cargo door, causing the paint to chip off the front and/or cargo door. If such, the correction is the installation of an anti chip plastic molding over the chipped area.
23-68-97 All Water leaking into vehicle through side cowl panel.
This bulletin applies to vehicles built between November 16, 1997 and November 26, 1997. If water leaks through either the right and/or left side cowl panels and dampens the carpet in the foot well area, a trim cover is removed and a water proof patch is installed over the cowl panel.
23-13-98 All Rear sliding window difficult to open, will not remain latched, and/or leaks water past the lower run channel.
If the rear sliding window is difficult to open, will not latch, and/or leaks water past the sliding rear window’s lower run channel, this bulletin describes the proper diagnosis/repair.
23-16-98 All Splash guards (mud flaps) discolored and/or distorted due to proximity to tailpipe.
This bulletin applies to vehicles equipped with dual rear wheels. Vehicles equipped with splash guards may experience discoloration and/or distortion along the outside edge of the passenger side rear splash guard due to the proximity to the tailpipe. If necessary, a new tailpipe assembly is installed.
23-17-98 All Center armrest driver side hinge cover broken.
If the center armrest upper inertia latch cover (driver side hinge cover) is broken, the proper repair involves replacement of the hinge.
23-35-98 All Door trim panel retainer clip attachment breakage when door trim panel is removed for service.
The bulletin cautions the dealer that damage to the door trim panel may occur if the door trim panel retainer clips are separated from the door without using a trim panel removing tool.
23-37-98 All Cargo net eliminated from production.
is no longer a production item. It can be purchased through the parts department using Mopar number 04761197.
23-08-99 All Instrument panel creak.
This bulletin supersedes technical service bulletin 23-45-96, dated August 2, 1996. A creak or squeak may be present near the left and/or right side(s) of the instrument panel. The noise is caused by the sheet metal joint between the A-pillar and the dash panel plenum lower rubbing together. This bulletin describes the repair procedure which involves loosening the instrument panel and providing additional clearance between the A-pillar inner panel and dash panel.
23-18-99 All Bezel comes loose from seat belt retractor cover.
This bulletin applies to club/quad cab vehicles. The seat belt retractor cover bezel comes loose due to a cracked seat belt retractor cover. The crack may occur at the bottom of the opening where the seat belt bezel snaps into the cover. This bulletin describes the installation of a new seat belt retractor cover.
23-22-99 All Rattle in door area.
This bulletin supersedes technical service bulletin 23-46-96, dated August 2, 1996. Customers may complain of one or more of the following symptoms: rattle heard in the door area; door window shakes when closing; door lower window channel bolt has pulled through the door sheet metal; door sheet metal is cracking around the lower window channel bolt. This bulletin involves removing the window channel from the door and installing a revised window channel.
23-28-99 All Power seat track vertical adjustment stuck in a full upward or full downward position.
This bulletin applies to club or quad cab vehicles built before March 1, 1999. The repair condition is that the front and/or rear power seat track vertical adjuster motors are stuck in a full upward or full downward position. The repair involves removing existing lubrication on the power seat track adjustment lead screws and then applying a new lubricant.
23-35-99 A All Child seat tether anchors.
This bulletin supersedes technical service bulletin 23-35-99 dated September 3, 1999. This bulletin identifies the parts and labor operation numbers necessary to install a child seat tether anchor.
23-19-00 All Instrument panel creak.
A creak or squeak may be present near the left and/or right side(s) of the instrument panel. The noise is caused by the sheet metal joint between the A-pillar and the dash p0anel plenum lower rubbing together. The repair involves loosening that instrument panel and providing additional clearance between the A-pillar inner panel and dash panel.
23-25-00 All Paint fogging/whitening.
Painted surfaces of the vehicle that are covered for extended periods of time with front end covers (bras), transit films or magnetic signs may appear to have a white “milky” spot on dark colors, or a fogging, coffee colored spot lighter colors. The repair involves removal of a fogging or staining condition from any painted surface where moisture may be trapped under the clear coat by using a heat gun.
23-027-01 Equipped with
6x9 Mirrors
Sales Code GPS
or GPU		 Outside rearview mirror glass replacement.
This bulletin supercedes technical service bulletin 23-034-00 Rev. A dated December 15, 2000. It is unnecessary to replace the entire outside rearview mirror assembly when the mirror glass is broken or is missing. Replacement mirror glasses are available from Mopar. Because of the extremely long list of part numbers involved, please consult the Mopar parts catalog for the correct part number(s).
23-014-06 All Windshield wiper blade maintenance.
Windshield wiper blades/elements are frequently replaced unnecessarily. If the wipe pattern appears to be streaky or if there is chatter and no damage to the wiper blades/elements is obvious, the following steps should be performed:
  • Use a soft cloth or sponge and squeegee and a solution of 50/50 alcohol and water, to wash the windshield.
  • Raise the wiper blades off the glass and clean the wiper blade elements with a solution of 50/50 alcohol and water and a soft cloth, paper towel or sponge.
  • Return the wiper blades to their normal operating position. If the wipe pattern is still objectionable, repeat several times. If the wipe pattern is still objectionable, replace the wiper blades/elements.

Category 24 - Air Conditioning

24-11-97 All A/C evaporator odor.
This bulletin supersedes technical service bulletin 24-06-95A, dated 5/26/95. Some vehicle operators may experience a musty odor from the A/C system, primarily at start up in hot and humid climates. This odor may be the result of microbial growth on the evaporator core. During normal A/C system operation, condensation forms in and around the A/C evaporator. When airborne pollutants mix with this condensation, bacteria and fungi growth begins and odor results. The repair involves cleaning the evaporator with Mopar aerosol cleaner.
24-009-02 All Chrysler group products
using R-134A refrigerent		 A/C system leak detection.
Vehicles from the factory no longer have leak detection dye in the A/C system. To determine the source of a R-134a leak, a leak tracer dye has to be injected into the A/C system.
24-003-03 All Chrysler group products A/C system additives.
The use of A/C system sealers may result in damage to A/C refrigerant recovery/evacuation/recharging equipment and/or A/C system components. Many federal, state/provincial and local regulations prohibit the recharge of A/C systems with known leaks. DaimlerChrysler recommends the detection of A/C system leaks through the use of approved leak detectors available through Pentastar Service Equipment (PSE) and fluorescent leak detection dyes available through Mopar Parts. Vehicles found with A/C system sealers should be treated as contaminated and replacement of the entire A/C refrigerant system is recommended.
24-003-03 All A/C system additives.
The use of A/C system sealers may result in damage to A/C refrigerant recovery/evacuation/recharging equipment and/or A/C system components. Many federal, state/provincial and local regulations prohibit the recharge of A/C systems with known leaks. DaimlerChrysler recommends the detection of A/C system leaks through the use of approved leak detectors available through Pentastar Service Equipment (PSE) and fluorescent leak detection dyes available through Mopar Parts. Vehicles found with A/C system sealers should be treated as contaminated, and replacement of the entire A/C refrigerant system is recommended.

Category 25 - Emissions

Category 26 - Miscellaneous

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