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CHEVROLET C7 Technical Service Bulletin
1990 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1990 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1991 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1991 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1991 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 600270 Bulletin Date: 19-Feb-1998
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. *YC |
1992 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1992 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1992 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 600270 Bulletin Date: 19-Feb-1998
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. *YC |
1993 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1993 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1993 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 600270 Bulletin Date: 19-Feb-1998
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. *YC |
1994 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1994 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1994 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 600270 Bulletin Date: 19-Feb-1998
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. *YC |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1995 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 600270 Bulletin Date: 19-Feb-1998
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM |
| VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. *YC |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 622959 Bulletin Date: 20-Mar-2001
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT |
1996 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 622959 Bulletin Date: 20-Mar-2001
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1997 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 613606 Bulletin Date: 20-May-2000
| ON SOME MEDIUM DUTY TRUCKS EQUIPPED WITH A DIESEL ENGINE, AIR BRAKES, AND THE ENGINE SHUTDOWN FEATURE, THE MULTI-FUNCTION ALARM MODULE MAY NOT PERFORM CERTAIN FEATURES SUCH AS: NO WARNING TONE FOR AIR BRAKE LOW PRESSURE; NO WARNING TONE F |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634991 Bulletin Date: 20-May-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617721 Bulletin Date: 20-Nov-2000
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| SOME MEDIUM DUTY MODELS WITH 3126 CATERPILLAR DIESEL ENGINE AND ALLISON AUTOMATIC TRANSMISSION MAY EXHIBIT AN ENGINE SPEED POWER TAKEOFF (PTO) OPERATION RETURNING TO IDLE FOR NO APPARENT REASON. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 622959 Bulletin Date: 20-Mar-2001
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 602989 Bulletin Date: 19-Nov-1998
| POWER TRAIN:AUTOMATIC TRANSMISSION |
| ERRATIC OR PREMATURE UPSHIFTS, HARSH DOWN SHIFTS, ENGINE LUGGING, OR LOW POWER PERFORMANCE. *YC |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612993 Bulletin Date: 19-Jul-1998
| SOME VEHICLES EQUIPPED WITH AIR BRAKES AND ANTI-LOCK BRAKE SYSTEMS, MAY EXHIBIT BRAKE CONTROL ELECTRICAL HARNESS CHAFING. *TT |
1998 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 606369 Bulletin Date: 19-Jul-1999
| ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR |
| ON SOME MEDIUM DUTY CONVENTIONAL MODELS, THE RADIATOR SURGE TANK CAP CONTACTING UNDERSIDE OF HOOD. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634991 Bulletin Date: 20-May-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617721 Bulletin Date: 20-Nov-2000
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| SOME MEDIUM DUTY MODELS WITH 3126 CATERPILLAR DIESEL ENGINE AND ALLISON AUTOMATIC TRANSMISSION MAY EXHIBIT AN ENGINE SPEED POWER TAKEOFF (PTO) OPERATION RETURNING TO IDLE FOR NO APPARENT REASON. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617620 Bulletin Date: 20-Oct-2000
| POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AN |
| GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN MEDIUM DUTY VEHICLES. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH TRANSMISSION FLUID MAY LEAK FROM A HEAT DEGRADED TRANSMISSION FLUID |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092584 Bulletin Date: 20-Sep-2000
| POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AN |
| SUBJECT REGARDING TRANSMISSION OIL COOLER LINE DEGRADATION. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 622959 Bulletin Date: 20-Mar-2001
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634800 Bulletin Date: 20-Jun-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000456 Bulletin Date: 20-Nov-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| EXTERIOR LIGHTING:HEADLIGHTS |
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 606551 Bulletin Date: 19-Jul-1999
| ENGINE AND ENGINE COOLING:ENGINE |
| CONCERNS WITH THE COOLANT ALARM AND OIL PRESSURE ALARM ACTIVATING WHEN THE VEHICLE IS STOPPED AND THE ENGINE RETURNS TO IDLE. *TT |
1999 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 606369 Bulletin Date: 19-Jul-1999
| ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR |
| ON SOME MEDIUM DUTY CONVENTIONAL MODELS, THE RADIATOR SURGE TANK CAP CONTACTING UNDERSIDE OF HOOD. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617728 Bulletin Date: 20-Dec-2000
| SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIG |
| SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634991 Bulletin Date: 20-May-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617721 Bulletin Date: 20-Nov-2000
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| SOME MEDIUM DUTY MODELS WITH 3126 CATERPILLAR DIESEL ENGINE AND ALLISON AUTOMATIC TRANSMISSION MAY EXHIBIT AN ENGINE SPEED POWER TAKEOFF (PTO) OPERATION RETURNING TO IDLE FOR NO APPARENT REASON. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617620 Bulletin Date: 20-Oct-2000
| POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AN |
| GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN MEDIUM DUTY VEHICLES. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH TRANSMISSION FLUID MAY LEAK FROM A HEAT DEGRADED TRANSMISSION FLUID |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092584 Bulletin Date: 20-Sep-2000
| POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AN |
| SUBJECT REGARDING TRANSMISSION OIL COOLER LINE DEGRADATION. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 6092588 Bulletin Date: 20-Sep-2000
| POWER TRAIN:CLUTCH ASSEMBLY |
| EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 612674 Bulletin Date: 20-Feb-2000
| SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 611294 Bulletin Date: 20-Feb-2000
| SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 622959 Bulletin Date: 20-Mar-2001
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
| SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634800 Bulletin Date: 20-Jun-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000456 Bulletin Date: 20-Nov-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| EXTERIOR LIGHTING:HEADLIGHTS |
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
2000 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634991 Bulletin Date: 20-May-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 617721 Bulletin Date: 20-Nov-2000
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| SOME MEDIUM DUTY MODELS WITH 3126 CATERPILLAR DIESEL ENGINE AND ALLISON AUTOMATIC TRANSMISSION MAY EXHIBIT AN ENGINE SPEED POWER TAKEOFF (PTO) OPERATION RETURNING TO IDLE FOR NO APPARENT REASON. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 620808 Bulletin Date: 20-Jul-2001
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| SOME OWNERS MAY COMMENT ON A TICKING NOISE IN THEUPPER END OF THE ENGINE. THE NOISE IS CONSTANT AND DOES NOT VARY WITH ENGINE RPM. A LOSS OF POWER MAY BE NOTICED. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 619394 Bulletin Date: 20-Mar-2001
| VISIBILITY:WINDSHIELD WIPER/WASHER |
| SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634229 Bulletin Date: 20-Aug-2002
| FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING |
| SOME VEHICLES HAVE A CONDITION WHERE THE FUEL FILTER-TO-COMPONENT BOX MOUNTING BOLTS ARE REVERSE. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634298 Bulletin Date: 20-Apr-2002
| SUBJECT REGARDING LOW OIL PRESSURE AND NEW OIL LEVEL INDICATOR. NLM |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000170 Bulletin Date: 20-Oct-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| HIGH OIL CONSUMPTION. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634800 Bulletin Date: 20-Jun-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000456 Bulletin Date: 20-Nov-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| EXTERIOR LIGHTING:HEADLIGHTS |
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
2001 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634991 Bulletin Date: 20-May-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634229 Bulletin Date: 20-Aug-2002
| FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING |
| SOME VEHICLES HAVE A CONDITION WHERE THE FUEL FILTER-TO-COMPONENT BOX MOUNTING BOLTS ARE REVERSE. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634298 Bulletin Date: 20-Apr-2002
| SUBJECT REGARDING LOW OIL PRESSURE AND NEW OIL LEVEL INDICATOR. NLM |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000170 Bulletin Date: 20-Oct-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| HIGH OIL CONSUMPTION. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 634800 Bulletin Date: 20-Jun-2002
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
| THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10000456 Bulletin Date: 20-Nov-2002
| ENGINE AND ENGINE COOLING:ENGINE |
| ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 635013 Bulletin Date: 20-Jun-2002
| POWER TRAIN:MANUAL TRANSMISSION |
| SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| EXTERIOR LIGHTING:HEADLIGHTS |
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
2002 CHEVROLET C7
NHTSA* TSB Technical Service Bulletin Number: 10019186 Bulletin Date: 19-Jan-1901
| IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK |
* NHTSA is the National Highway Traffic Safety Administration: NHTSA.gov
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