Access the National Highway Traffic Safety database of GMC HE75 recalls and defective parts found
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equipment when its investigation indicates that they contain serious safety defects in their design,
structure, body, or performance.
1977-1978 GMC HE75 SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS Recall
1977-1978 GMC HE75
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS Units affected: 1278
GENERAL MOTORS CORP. Report Date: 1978-07-27
Summary: THE REAR BRAKE LINE MAY HAVE BEEN IMPROPERLY ROUTED TO THE MAIN AIR TANK. SHOULD A MAJOR AIR LEAK DEVELOP IN THE REAR BRAKE SYSTEM, THE VEHICLE WOULD FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THIS WOULD CAUSE THE ENTIRE BRAKE SYSTEM TO VENT TO THE ATMOSPHERE AND BRAKING EFFECTIVENESS WOULD BE LOST.
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