OFFICIAL NHTSA RECALL
77E021000
Service Brakes, Air:antilock:wheel Speed Sensor
Reported Sep 21, 1977 · WAGNER
Summary
THE INVOLVED ANTI-LOCK WHEEL SPEED SENSORS MAY CONTAIN IMPROPERLY MAGNETIZED STATOR ASSEMBLIES. THIS CONDITION COULD RESULT IN MALFUNCTION OF THE BRAKE ANTI-LOCK SYSTEM LEADING TO AN INCREASE IN VEHICLE STOPPING DISTANCES AND THE POSSIBILITY OF WHEEL LOCK-UP DURING BRAKING AT SPEEDS ABOVE 10 M.P.H., DUE TO INABILITY OF THE ANTI-LOCK SYSTEM TO PROPERLY CONTROL BRAKING PRESSURE.
Consequence
Not supplied in the source record.
Remedy
FIELD INSPECTIONS WILL BE CONDUCTED AND SUSPECT SENSOR STATORS WILL BE REPLACED WITH PROPERLY MAGNETIZED UNITS.
Notes
VEHICLE CATEGORY: TRAILERS.SYSTEM: SERVICE BRAKES; ANTI-LOCK WHEEL SPEED SENSORS, PART NO. AD-80838.CONSEQUENCES OF DEFECT: THIS CONDITION COULD CAUSE LOSS OF VEHICLE CONTROL ANDAN ACCIDENT.
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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 ↗