WenmarOpen by Wenmar Pro

Service bulletins for the 2003 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1069 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
0304190032005-03-07. Service bulletin. POWER TRAIN:DRIVELINE. FLUID LEAK FROM FRONT OF VEHICLE ADD TEFLON TAPE TO FRONT AXLE VENT PLUG THREADS. *EH
0207300112005-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE P0708 P0872 P0847 P0875 P1711 P1713 OR U1000 SET. THIS SERVICE BULLETIN REPLACES 020730011. *EH
32432005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH
0407310012005-01-04. Service bulletin. POWER TRAIN. REVISED CLUTCH PRESSURE PLATE ADJUSTMENT. *TT
0407310062004-12-28. Service bulletin. POWER TRAIN. EXCESSIVE SHIFTER AND/OR ENGINE VIBRATION, BEARING GROWL AND/OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING CLUTCH PEDAL. *TT
32052004-12-15. Service bulletin. POWER TRAIN. ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE. *TT
31612004-12-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 CLUNK NOISE ON START IN PARK. *EH
31562004-11-10. Service bulletin. POWER TRAIN. 261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT
31512004-11-09. Service bulletin. POWER TRAIN. ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK. *TT
008372004-11-08. Service bulletin. POWER TRAIN. ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP). *TT
31432004-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. TRANSMISSION OIL COOLER LINE FITTING CLARIFICATION. *TC
30922004-11-05. Service bulletin. POWER TRAIN. ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC
31302004-11-04. Service bulletin. POWER TRAIN. ALLISON LCT 1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TC
3105C2004-11-03. Service bulletin. POWER TRAIN. PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT. *SC
305592004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT
30572004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 PUMP WHINE NOISE. *TT
30542004-10-14. Service bulletin. POWER TRAIN. REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT
30832004-10-04. Service bulletin. POWER TRAIN. M74 ALLISON LCT1000 PTO GEAR APPLICATIONS. *TT
30012004-08-25. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT 2006 ALL GENERAL MOTORS LIGHT DUTY TRUCKS, VANS AND UTILITIES. *TT
30022004-08-23. Service bulletin. POWER TRAIN. 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT
30212004-08-23. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). CLUTCH PEDAL ASSEMBLY SQUEAK NOISE. THE CONDITION TYPICALLY OCCURS DURING HOT AMBIENT TEMPERATURE. *TT
0404950012004-08-12. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT
030730011B2004-08-12. Service bulletin. POWER TRAIN. TRANSMISSION SLIPS, DELAYED ENGAGEMENT, COLD HESITATION, INTERMITTENT, POOR PERFORMANCE, POWER, SHIFT, DTCS P0701, P1709, P1711, P1713, P0841, P0843, P0847, P0870, P0872, OR P0875. *TT
092620022004-08-10. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS MESSAGE IS ABOUT THE TRANSMISSION NOT SHIFTING INTO GEAR WITH THE CLUTCH PEDAL FULLY DEPRESSED. *MJ
092520022004-08-10. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS MESSAGE IS ABOUT HYDRAULIC FLUID USAGE FOR THE HYDRAULIC CLUTCH SYSTEM. *MJ

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.