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NHTSA Campaign 79V094000

SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

Issued by GENERAL MOTORS CORP. · Reported Apr 13, 1979 · 22 vehicles affected

What's wrong

THE INVOLVED VEHICLES FAIL TO MEET FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS", IN REGARD TO INCORRECT PLUMBING IN THE LOW AIR PRESSURE WARNING SYSTEM. AS A RESULT, A LOW AIR PRESSURE CONDITION IN THE REAR BRAKE AIR SUPPLY WILL NOT ACTUATE THE WARNING SYSTEM. THE AUDIBLE ALARM WOULD NOT FUNCTION AND THE DRIVER WOULD NOT BE WARNED OF A BRAKE MALFUNCTION.

Remedy

THE LOW AIR PRESSURE WARNING SYSTEM WILL BE INSPECTED AND CORRECTED, IF NECESSARY, WITHOUT CHARGE.

Vehicles affected by this recall

Make Model Year Units
GMC N9F064 1979 22

Source: NHTSA Campaign 79V094000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.