GMC C7 Recalls

1990 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1989 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1988 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1987 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1986 GMC C7 Recall

Item Affected: STEERING:HYDRAULIC POWER ASSIST SYSTEM

Date Announced: 12/22/1986

Description of Recall: THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET MATING SURFACE. CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF FRONT AXLE BRAKING. WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.

Conequence:

Action Need To Fix It: REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL; REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.

Notes: SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.

1986 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1985 GMC C7 Recall

Item Affected: STEERING:HYDRAULIC POWER ASSIST SYSTEM

Date Announced: 12/22/1986

Description of Recall: THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET MATING SURFACE. CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF FRONT AXLE BRAKING. WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.

Conequence:

Action Need To Fix It: REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL; REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.

Notes: SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.

1985 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 11/30/1989

Description of Recall: THE FRONT AIR BRAKE HOSES CAN CONTACT THE INNER FENDER EXTENSIONS.

Conequence: THIS INTERFERENCE CAN CHAFE THE BRAKE HOSES TO THE POINTOF RUPTURE, RESULTING IN LOSS OF FRONT BRAKES WITH POTENTIAL FOR AN ACCIDENT.

Action Need To Fix It: CUT OUT A PORTION OF INNER FENDER EXTENSIONS TO PREVENT INTERFERENCE. ALSO, REPLACE ANY DAMAGED FRONT BRAKE HOSES.

Notes: SYSTEM: FRONT AIR BRAKE HOSES.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS, HIGH CAB MODELS EQUIPPED WITH 7000# AIRBRAKE FRONT AXLES.

1984 GMC C7 Recall

Item Affected: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 07/02/1985

Description of Recall: THE FRONT AIR BRAKE HOSE MAY CONTACT THE INNER FENDER ON THE LEFT AND/OR RIGHT SIDES OF SOME TRUCKS. IN SOME INSTANCES, THE BRAKE HOSE MAY RUB THROUGH, RESULTING IN A LOSS OF AIR PRESSURE UPON BRAKE APPLICATION. CONSEQUENCE OF DEFECT: BRAKE HOSE MAY RUB THROUGH CAUSING AIR PRESSURE LOSS WHEN BRAKES ARE APPLIED AND REDUCED BRAKING ABILITY. A REDUCTION OF BRAKING ABILITY AT A TIME WHEN MINIMUM STOPPING DISTANCE IS REQUIRED COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.

Conequence:

Action Need To Fix It: INSTALL NEW BRAKE CHAMBER SUPPORT BRACKETS, BRAKE LINE ELBOWS, AND AIR BRAKE HOSES, AS NECESSARY.

Notes: VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH TILT HOODS, 7000# FRONT AXLE AND AIR BRAKES. SYSTEM: FRONT BRAKE HOSE.