# 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 bulletins from NHTSA, as of 2026-10-19.

- [030526001](/bulletins/10004369.md), 2003-12-04, Service bulletin: PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE. RELEASE OF NEW PARK BRAKE CABLE ASSEMBLIES AND LUBRICATION MAINTENANCE INFORMATION FOR CERTAIN MEDIUM DUTY TILT CAB MODELS. \*TT
- [020604060](/bulletins/10000739.md), 2003-03-28, Service bulletin: ENGINE AND ENGINE COOLING. AUTOMATIC ENGINE SHUTDOWN FEATURE. \*TT
- [020864020](/bulletins/10000076.md), 2003-02-12, Service bulletin: STRUCTURE:BODY:DOOR. PASSENGER DOOR OUTSIDE REARVIEW MIRROR VIBRATION ON CERTAIN VEHICLES INCLUDING THE 2000 \- 2001 WT500 SERIES MEDIUM DUTY TILT CAB MODELS. \*TT
- [000138005A](/bulletins/634983.md), 2002-10-11, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME CUSTOMERS MAY COMMENT ABOUT INSTABILITY OF THE A/C CONDENSER OR THAT THE A/C SYSTEM IS INOPERATIVE. \*TT
- [020730017](/bulletins/634968.md), 2002-10-10, 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
- [020523001A](/bulletins/634850.md), 2002-10-09, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. SOME CUSTOMERS AND DEALERS MAY COMMENT ON ACCELERATED UNEVEN BRAKE PAD WEAR ON SOME VEHICLE WITH FOUR\-PISTON FIXED CALIPER REAR DISC BRAKES. \*TT
- [020603002](/bulletins/631668.md), 2002-06-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMERS MAY COMPLAIN THAT THE ENGINE WILL NOT START. \*JG
- [020603002](/bulletins/631256.md), 2002-05-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMERS MAY COMPLAIN THAT THE ENGINE WILL NOT START. \*SLC
- [020137002](/bulletins/629530.md), 2002-04-02, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT REGARDING SERVICE DIAGNOSIS/RECOMMENDATIONS FOR INOPERATIVE AIR CONDITIONING SYSTEMS. \*TT
- [020604006](/bulletins/629484.md), 2002-04-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON SERVICE ENGINE SOON LAMP ON, MALFUNCTION INDICATOR LAMP ILLUMINATIONS INTERMITTENTLY, DIAGNOSTIC TROUBLE CODE SET, BLOWN FUSES, AND ENGINE WILL NOT START. \*TT
- [020232004](/bulletins/629474.md), 2002-04-02, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM. SUBJECT REGARDING STEERING GEAR GREASE SEEPAGE FROM AROUND SECTOR \(OUTPUT\) SHAFT \(INSTALL NEW SECTOR \(OUTPUT\) SHAFT SEALS\).\*JG
- [020523001](/bulletins/628945.md), 2002-03-25, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. SOME CUSTOMERS AND DEALERS MAY COMMENT ON ACCELERATED UNEVEN BRAKE PAD WEAR ON F6\-7 MEDIUM DUTY TILT CAB MODELS AND H6\-7 CONVENTIONAL MEDIUM DUTY MODELS. \*TT
- [000601023A](/bulletins/628938.md), 2002-03-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION USED WHEN DIAGNOSING NOISE CONDITIONS SUCH AS ENGINE RATTLE NOISE, SPARK KNOCK AT 2000 \- 2500 RPM RANGE, UNDER A MODERATE TO HEAVY LOAD WITH A WARMED UP ENGINE. \*TT
- [99066D](/bulletins/628925.md), 2002-03-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME OWNERS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE ORHARD START DUE TO A DEPOSIT BUILD\-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INUJECTOR \(SCPI\) POPPET VALVE\(S\). \*TT
- [000604003A](/bulletins/628905.md), 2002-03-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, ESPECIALLY AFTER SETTING OVERNIGHT. \*TT
- [010731003](/bulletins/628902.md), 2002-03-21, Service bulletin: POWER TRAIN:CLUTCH ASSEMBLY. CONCERNS ABOUT A SLIPPING CLUTCH OR EARLY CLUTCH FAILURE. \*TT
- [010604037B](/bulletins/627790.md), 2002-02-25, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. INFORMATION REGARDING FUEL TRANSFER PUMP INOPERATIVE. \*YH
- [010420005](/bulletins/627737.md), 2002-02-15, 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
- [010863001](/bulletins/625268.md), 2001-11-19, Service bulletin: STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS. SUBJECT ON HOOD HINGE RATTLE COMING FROM EITHER OR BOTH FRONT CORNERS OF THE INSTRUMENT PANEL NEAR THE HOOD HINGE AREAS FOR 1995 \- 2002 PICKUP AND UTILITY MODELS. \*ET
- [010604039](/bulletins/624075.md), 2001-11-01, Service bulletin: ELECTRICAL SYSTEM. SOME VEHICLES MAY EXHIBIT A SERVICE ENGINE SOON LAMP ON, MALFUNCTION INDICATOR LAMP ILLUMINATES INTERMITTENTLY, ANTI\-LOCK BRAKE SYSTEM WARNING LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODES SET, AND / OR BLOWN FUSES. \*TT
- [010604037](/bulletins/623426.md), 2001-10-29, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. TECHNICAL SERVICE BULLETIN REGARDING FUEL TRANSFER PUMP INOPERATIVE. \*TT
- [160201](/bulletins/619242.md), 2001-05-21, 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
- [00863008](/bulletins/617737.md), 2001-03-26, Service bulletin: STRUCTURE:BODY. SUBJECT REGARDING MISALIGNMENT OF AIR INTAKE DUCT WHEN CLOSING CAB. \*TT
- [00148](/bulletins/616390.md), 2001-02-25, Service bulletin: UNKNOWN OR OTHER. SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE, OR HARD START DUE TO A DEPOSIT BUILD\-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR \(SCPI\) POPPET VALVE\(S\). THE DEPOSIT BUILD\-UP MAY CAUSE INJECTOR POPPETS TO STICK CLOSED. \*TT
- [867117](/bulletins/615077.md), 2000-12-27, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. BRIEF INFORMATION REGARDING RUSTY TRANSMISSION FLUID LEVEL INDICATOR. \*TT

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