GMC UNSPECIFIED 1979: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
NHTSA Campaign ID Number: 80V014000
| Make | Model | Year |
|---|---|---|
| GMC | UNSPECIFIED | 1979 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1980-03-11 | 1980-02-26 | 1980-03-07 |
Production Dates: 1978-09-01 - 1979-07-01
Manufacturers Involved: General Motors, LLC
Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Potential Number Of Units Affected: 46556
Report Initiator: MFR MFR Report
THE HYDRAULIC STEEL BRAKE TUBE CONNECTING THE BRAKE HOSE TO THE LEFT OR RIGHT FRONT TOP WHEEL CYLINDER MAY DEVELOP A FRACTURE IN THE BEND NEXT TO THE WHEEL CYLINDER. THIS FRACTURE RESULTS FROM PERIODIC HIGH STRESSES IN THE TUBE DUE TO "BRAKE CHATTER" WHICH CAN OCCUR DURING CERTAIN ENVIRONMENTAL CONDITIONS.
THE DEALER WILL REPLACE THE FRONT BRAKE TUBES AT NO CHARGE TO OWNER.
VEHICLE DESCRIPTION: MEDIUM AND HEAVY TRUCKS EQUIPPED WITH 7000 LB. FRONT AXLESAND STANDARD HYDRAULIC BRAKES OR 12,000 LB. FRONT AXLES WITH HYDRAULIC BRAKES.SYSTEM: SERVICE BRAKES; HYDRAULIC STEEL BRAKE TUBE.CONSEQUENCES OF DEFECT: A FRACTURED TUBE WILL RESULT IN A BRAKE SYSTEM FLUIDLEAK AND LOSS OF BRAKING ACTION. THIS COULD OCCUR WITHOUT PRIOR WARNING ANDCOULD CAUSE A VEHICLE ACCIDENT.
