1998 GMC C/K Series TSBs
17 Technical Service Bulletins across 4 categories
Engine
11 bulletinsA FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEAKING TO COMPLAINTS OF POOR PERFORMANCE OR FUEL ECONOMY, HARD...
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/ NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT
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
SPECIAL POLICY ADJUSTMENT FOR VEHICLES EXPERIENCING A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP LEADING TO...
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COMPLAINTS OF POOR PERFORMANCE OR FUEL ECONOMY, HARD / NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT
SOME VEHICLES MAY EXPERIENCE A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEADING TO COMPLAINTS OF POOR...
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PERFORMANCE OR FUEL ECONOMY, HARD / NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *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
MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE.
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VARIOUS MODELS INCLUDING 1996 - 1999 P32 MODELS. SIT BULLETIN 1416475. *TT
6.5L L49 L56 L57 L65 DIESEL ENGINE REQUIRING FUEL INJECTION PUMP REPLACEMENT.
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MODELS P32/P42 1994-1999 INCLUDED. *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
Fuel System
3 bulletinsSOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP.
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*JG
SUBJECT REGARDING EXHAUST SYSTEM RUMBLE / RATTLE NOISE.
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*JG
DEDUCTIBLE REIMBURSEMENT CLARIFICATION AND VIN BREAKPOINT CORRECTION TO 00064 - SPECIAL POLICY ADJUSTMENT - ELECTRONIC...
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DIESEL-FUEL INJECTION PUMP FAILURE - REPAIR / REPLACE. *TT
Transmission
2 bulletinsMALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE.
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*TT UPDATED *EH 2006 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS. *SC
A NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION.
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*TT UPDATED *EH
Steering
1 bulletinSAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY.
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ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE