030232044
Service Bulletin/Repair Instructions
EFFECT OF STEERING BOX LIMITER ADJUSTMENT ON TURNING RADIUS AND POSSIBILITY OF POWER STEERING SYSTEM DAMAGE DUE TO IMPROPER ADJUSTMENT. VARIOUS 1990-2004 MODELS. *TT
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
030232044
EFFECT OF STEERING BOX LIMITER ADJUSTMENT ON TURNING RADIUS AND POSSIBILITY OF POWER STEERING SYSTEM DAMAGE DUE TO IMPROPER ADJUSTMENT. VARIOUS 1990-2004 MODELS. *TT
020604052
ENGINE STALL, NO START, HARD START CONDITION. *TT
020523001A
SOME CUSTOMERS AND DEALERS MAY COMMENT ON ACCELERATED UNEVEN BRAKE PAD WEAR ON SOME VEHICLE WITH FOUR-PISTON FIXED CALIPER REAR DISC BRAKES. *TT
020137002
SUBJECT REGARDING SERVICE DIAGNOSIS/RECOMMENDATIONS FOR INOPERATIVE AIR CONDITIONING SYSTEMS. *TT
020524001
SUBJECT REGARDING REVISED DRUM BRAKES COMPONENT SPECIFICATIONS FOR PICKUP AND UTILITY MODELS. *TT
00064B
SPECIAL POLICY ADJUSTMENT FOR VEHICLES EXPERIENCING A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEADING TO COMPLAINTS OF POOR PERFORMANCE OF FUEL ECONOMY, HARD/ NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT
020523001
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
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
000604003A
SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, ESPECIALLY AFTER SETTING OVERNIGHT. *TT
99066D
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
010420005
INFORMATION REGARDING CORRECT VEHICLE APPLICATION FOR EATON. 1990-2002 CHEVROLET AND GMC C-SERIES CONVENTIONAL AND T-SERIES TILT CAB MEDIUM DUTY MODELS. *YH
010604037B
INFORMATION REGARDING FUEL TRANSFER PUMP INOPERATIVE. *YH
010861005
INFORMATION REGARDING POOR RIDE QUALITY. (H6-7 C-SERIES CONVENTIONAL MEDIUM DUTY MODELS). *YH
010604037
SOME CUSTOMERS MAY COMMENT ON INOPERATIVE SECONDARY FUEL TANK TRANSFER PUMPS. *TT
160201
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
00148
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
00064
FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEADING TO COMPLAINTS OF POOR PERFORMANCE OR FUEL ECONOMY, HARD / NO STARTS, HESITATION, ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT
99066B
SOME OWNERS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START. **MR
000604014
SOME CUSTOMERS MAY COMMENT ON HARD, NO, OR SLOW START, BACKFIRE OR KICKBACK DURING CRANK / START, GRINDING OR UNUSUAL NOISES DURING CRANK, DIAGNOSTIC TROUBLE CODE P0338. *TT
990604047
METAL CONTAMINATION MAY BE FOUND IN THE FUEL FILTER AND FILTER HOUSING ON VEHICLES WITH 6.5L DIESEL ENGINES. *TT
99066A
SOME VEHICLES 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
000604002
SUBJECT REGARDING A HARD, NO START OR EXCESSIVE GRAY OR WHITE SMOKE CONDITION ON START UP AFTER RECENT GLOW PLUG REPLACEMENT. *TT
000604003
SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, AND / OR A SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED. *TT
990940004
GENERAL MOTORS BEGAN PROVIDING CHILD RESTRAIN SEAT TOP TETHER HARDWARE PACKAGES TO CUSTOMERS IN THE UNITED STATES WHO REQUESTED THEM. *TT
99066
SPECIAL POLICY ADJUSTMENT COVERING THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) FAILURE CONDITION. *TT
990525004
CONCERNS WITH INTERMITTENT MULTIFUNCTION ALARM ACTIVATION. *TT
990731003A
SOME OWNERS MAY COMPLAIN THAT OF NOISE FROM THE CLUTCH HOUSING, CLUTCH MAY NOT ENGAGE, CLUTCH DISC HUB CRACKED / BROKEN. *TT
990524001A
BRAKE LEAD/PULL AND FRONT BRAKE WEAR. *MJS
990604026
EXPERIENCING A SQUEAK AND RATTLE NOISE FROM ENGINE COMPARTMENT. *TT
990731003
CUSTOMER MAY COMPLAIN OF NOISE FROM CLUTCH HOUSING, CLUTCH MAY NOT ENGAGE, CLUTCH DISC HUB CRACKED / BROKEN. *TT
990524001
SOME CAB CHASSIS, CREW CAB, AND PICKUP MODELS MAY EXHIBIT A BRAKE LEAD / PULL AND FRONT BRAKE WEAR. *TT
990849007
SOME VEHICLES BUILT WITHIN VIN BREAKPOINTS XJ105482 AND XJ510031 MAY EXHIBIT INACCURATE FUEL GUAGE READINGS, VEHICLE RUNS OUT OF FUEL, OR FUEL GAUGE REGISTERS FULL BUT MAY STILL ADD FUEL. *TT
990604016
SUBJECT REGARDING ENGINE SURGE WHILE TRAILERING. *TT
990601003
CUSTOMER MAY COMMENT ON ENGINE KNOCKING NOISE. *TT
97052
INFORMATION ON FRONT SEAT MOUNTING BOLTS. *YC
876525
COMMENTS OF AN EXTENDED ENGINE CRANKING TIME DURING A HOT RESTART IN HIGH AMBIENT TEMPERATURES OF 38 C (100 F). *YC
98863206
COMMENTS ABOUT REDUCED STEERING EFFORT WHILE DRIVING. *YC
98865020A
VEHICLES LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES, AND PREMATURE FRONT BRAKE WEAR, ESPECIALLY VEHICLES THAT HAVE BEEN USED TO TOW A HEAVY LOAD. *YC
837110A
PARK/NEUTRAL POSITION SWITCH CONNECTOR CANNOT BE REMOVED. YD
876126
OIL WEEP OR LEAK AT GASKET BETWEEN UPPER AND LOWER INTAKE MANIFOLD. YD
98768303A
COMMENTS THAT THE FUEL GAUGE INDICATES EMPTY AFTER ONLY GOING 200 TO 250 MILES, AND THEY ARE ONLY ABLE TO PUT APPROXIMATELY 23 GALLONS OR LESS OF FUEL IN THE 30 GALLON TANK. *YC
98776002
SUBJECT ON ACCESSORY DRIVE BELT NOISE DUE TO POWER STEERING PUMP PULLEY MISALIGNMENT. *YC
98837110
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
98877162
CONDITIONS WITH HARSH 1-2 UPSHIFT OR HARSH UPSHIFTS ALL GEARS. *YC
98865020
VEHICLE LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES OR FRONT BRAKE WEAR NOT MEETING EXPECTATIONS. *YC
776306
COMMENTS OF A NO START, STALL CONDITION. *YC
776527
SOME VEHICLES MAY EXPERIENCE A HARD START, OR STUMBLE WITH THE MIL ON. *YC
98776526
VEHICLES WITH 6.5L DIESEL ENGINES (VINS S, F - RPOS L56, L65, L65-CMT) MAY EXPERIENCE WHITE SMOKE, ROUGH IDLE, POOR THROTTLE RESPONSE ON COLD START. *TT
761612
EASY ENTRY SEAT NOISE, MOVEMENT, HIGH ADJUSTMENT EFFORT (REPLACE RISER ASSEMBLY). *TW
666307
DIESEL ENGINE - ENGINE LOW POWER IN COLD WEATHER (REPLACE PRIMARY FUEL FILTER). *TW
777153
CHUGGLE/SURGE ON TCC APPLY/NO DTC'S (REFLASH THE POWERTRAIN CONTROL MODULE). *TW
97008
GMC HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN 1995-1997 C/K EXTENDED CAB ABD 2 DOOR MODEL VEHICLES EQUIPPED WITH RECLINING SEATS AND EASY ENTRY FEATURE. RECALL 97V-037. *AK
776508
DTC P0442 CAUSED BY A EVEAP VENT (SOLENOID) VALVE LEAK. *AK
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.