OFFICIAL NHTSA RECALL
78V098000
Service Brakes, Air:antilock:control Unit/module
Reported May 3, 1978 · GENERAL MOTORS CORP.
Summary
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.
Consequence
Not supplied in the source record.
Remedy
DEALER WILL REMOVE THE INCORRECT RESISTOR BOARD AND INSTALL THE CORRECT ONE, WITHOUT CHARGE TO OWNER.
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.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗