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Service bulletins for the 2005 GMC Sierra

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.

796 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
3335A2005-05-11. Service bulletin. POWER TRAIN. INVESTIGATION OF PUMP AREA LEAKS. *TT
33522005-05-11. Service bulletin. POWER TRAIN. SERVICE 4WD LIGHT ON WITH EITHER A VARIETY OF DIAGNOSTIC TROUBLE CODES OR NO COMMUNICATION WITH THE TRANSFER CASE CONTROL MODULE. *TT
33512005-05-11. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT
33002005-04-21. Service bulletin. POWER TRAIN:DRIVELINE. 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH
33092005-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT
32942005-04-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE. *EH
33032005-04-21. Service bulletin. POWER TRAIN. TRANSMISSION FLUID LEAK FROM THE FRONT OF THE TRANSMISSION. *TT
32762005-04-20. Service bulletin. POWER TRAIN. 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
0507300022005-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION. *EH
32432005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH
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
31372004-12-02. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE. *EH
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
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
30922004-11-05. Service bulletin. POWER TRAIN. ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC
3134B2004-11-04. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD INDICATOR ILLUMINATED. *TC WITH DIAGNOSTIC TROUBLE CODE CO327. *TT
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
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

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