Gmc Recall 78V098000: Service Brakes, Air, Antilock, Control Unit/module

NHTSA recall 78V098000 · announced May 3, 1978 · filed by General Motors Corp. · 59 units affected

The problem

THESE VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THESE VEHICLES WERE BUILT WITH AN INCORRECT RESISTOR BOARD IN THE EATON CONTROLLER ON THE WHEEL LOCK CONTROL VALVE.

What to do

DEALER WILL REMOVE THE INCORRECT RESISTOR BOARD AND INSTALL THE CORRECT ONE, WITHOUT CHARGE TO OWNER.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH EATON ANTI-LOCK SYSTEMS.SYSTEM: SERVICE BRAKES; ANTI-LOCK SYSTEMS.CONSEQUENCES OF DEFECT: THIS INCORRECT RESISTOR BOARD COULD CAUSE THE WHEELLOCK CONTROL SYSTEM TO BECOME INOPERATIVE AT SPEEDS OVER 35 MPH. IN THE EVENTWHEEL LOCK-UP DOES OCCUR, LOSS OF VEHICLE CONTROL AND AN ACCIDENT COULD RESULT.NOTE: THIS CONDITION WOULD BE SIGNALED TO THE DRIVER BY ILLUMINATION OF THEYELLOW WHEEL LOCK CONTROL LIGHT.

Vehicles covered by this recall

• 1977 Gmc Df9500
• 1978 Gmc Df9500

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.