1998 Chevrolet M/L TSBs
13 Technical Service Bulletins across 6 categories
Categories
Engine
7 bulletinsTHIS BULLETIN STATES THAT GENERAL MOTORS HAS DECIDED THAT CERTAIN VEHICLES FAIL TO CONFIRM TO FEDERAL/CANADA MOTOR...
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VEHICLE SAFETY STANDARD 208, OCCUPANT CRASH PROTECTION, 208, OCCUPANT RESTRAIN SYSTEM IN FRONTAL IMPACT, AND ARTICLE 22-3, TRIAS 49, SEAT BELT WARNING DEVICE, SOMETIMES ON CERTAIN VEHICLES THE SEAT BELT AUDIBLE SIGNAL MAY NOT COME ON OR MAY TERMINATE IN LESS THAN FOUR SECONDS. *SLC
SOME OWNERS WITH VEHICLES BUILT BEFORE JANUARY 15,1999 MAY COMMENT ON A HARSH 1-2 UPSHIFT AND MAY ALSO HAVE A CHECK ENGINE LIGHT.
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*ET
INFORMATION PERTAINING TO THE NEW CONTROL VALVE BODY, SPACER PLATE AND GASKETS FOR THE 4L60-E AUTOMATIC TRANSMISSION.
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*TT
SOME VEHICLES MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON...
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THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT
SOME OWNERS OF 1996 - 1999 S/T, M/L, C/K, G, P AND W4 TRUCKS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH...
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IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT
SOME OWNERS OF 1996 - 1998 MODEL YEAR S/T, M/L, C/K, G, P AND W4 TRUCKS, THAT ARE REGISTERED IN CALIFORNIA, EQUIPPED...
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WITH 4.3L, 5.0L OR 5.7L ENGINE, AND CALIFORNIA EMISSIONS, MAY EXPERIENCE A 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). *TT
ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON (SES) LIGHT.
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VARIOUS MODELS INCLUDING THE 1995 CHEVROLET AND GMC S/T MODELS. *TT
Pre-Delivery & Maintenance
2 bulletinsVehicle Recalls
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
Fuel System
1 bulletinSUBJECT REGARDING EXHAUST SYSTEM RUMBLE / RATTLE NOISE.
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*JG
Transmission
1 bulletinA NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION.
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*TT UPDATED *EH
Electrical
1 bulletinExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
Software & Calibration
1 bulletinTHIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT...
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A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS.