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Service bulletins for the 1997 GMC T-Series

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.

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

By type

By component

By trouble code

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

Bulletins, newest first
0207300172002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CONCERN WITH NO SHIFT, HARSH SHIFT, NO ENGAGEMENT, TRANSMISSION IN DEFAULT, CHECK TRANSMISSION WARNING INDICATOR ILLUMINATED, RANGE INHIBITED INDICATOR ILLUMINATED, TRANSMISSION DIAGNOSTIC TROUBLE CODES SET ON F-MODEL MEDIUM DUTY TILT CAB MODELS. *TT
0107310032002-03-21. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. CONCERNS ABOUT A SLIPPING CLUTCH OR EARLY CLUTCH FAILURE. *TT
0104200052002-02-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. INFORMATION REGARDING CORRECT VEHICLE APPLICATION FOR EATON. 1990-2002 CHEVROLET AND GMC C-SERIES CONVENTIONAL AND T-SERIES TILT CAB MEDIUM DUTY MODELS. *YH
1602012001-05-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS MESSAGE CONCERNS CERTAIN 1997 THROUGH 2001 MEDIUM DUTY TRUCKS WITH SPICER SEVEN SPEED MANUAL TRANSMISSIONS EXHIBITING HEAVY VIBRATION THAT INCREASES WITH SPEED AND / OR AN OIL LEAK AND / OR A CRACKED ENGINE BLOCK. *TT
8671172000-12-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. BRIEF INFORMATION REGARDING RUSTY TRANSMISSION FLUID LEVEL INDICATOR. *TT
837110A2000-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. PARK/NEUTRAL POSITION SWITCH CONNECTOR CANNOT BE REMOVED. YD
990730004A2000-01-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. A CONDITION WITH A RUSTY TRANSMISSION FLUID LEVEL INDICATOR / TRANSMISSION OIL FILLER TUBE. *TT
9907290041999-09-29. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME MEDIUM DUTY MODELS EQUIPPED WITH MANUAL TRANSMISSIONS MAY EXHIBIT A HIGH SHIFT EFFORT OR HARD SHIFTING CONDITION. *TT
8674041999-03-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. COMMENTS ABOUT A LOW TRANSMISSION FLUID LEVEL OR THAT THE TRANSFER CASE FLUID IS OVERFILLED. *YC
988371101998-08-04. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK/NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. *YC
988643061998-08-03. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. COMMENTS ABOUT FLUID LEAKING ONTO THE GROUND NEAR THE FRONT WHEELS OR FRONT ENGINE AREA OR LEAKING ONTO THE SURROUNDING COMPONENTS. *YC

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