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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.

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
0507300172005-11-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION. *TT
0507300122005-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION 2-3 SHIFT CLUNK. *TT
0507300132005-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP. *TT
34882005-11-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FLUID LEAKAGE FRONT PUMP OR TORQUE CONVERTER AREA. *TT
3438A2005-10-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TCC SURGE AND/OR FLUID CONTAMINATION. *TT
34972005-09-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. RANGE INHIBIT AND/OR WILL NOT MOVE. *TT
33712005-05-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E/4L85E AUTOMATIC TRANSMISSION LEAK CONCERN. *TT
33092005-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *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
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
305592004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT
3259C2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT
0307300442003-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0207300042002-06-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NEW PRODUCT INFORMATION, GRADE BRAKE FEATURE OF ALLISON 1000 SERIES TRANSMISSION. *SLC THIS BULLETIN REPLACES 02-07-30-004. *TT

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