NHTSA Campaign 78V086000

SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE

Issued by FREIGHTLINER CORP. · Reported Apr 19, 1978 · 12 vehicles affected

What's wrong

AN OPERATIONAL AMPLIFIER IN THE AXLE CONTROLLERS ON THE INVOLVED VEHICLES MAY DEVIATE FROM SPECIFICATIONS. THERE MAY ALSO BE AN OPENING IN A SOLDER CONNECTION BETWEEN THE PRINTED CIRCUIT BOARD AND THE NEGATIVE TERMINAL OF THE CAPACITOR. THESE CONDITIONS CAUSE THE ANTI-LOCK VALVE SOLENOID TO BE ENERGIZED CONTINUOUSLY.

Remedy

THE INCORRECT CONTROLLER WILL BE REPLACED WITH A NEW ONE.

Vehicles affected by this recall

Make Model Year Units
FREIGHTLINER FREIGHTLINER 1975 12

Source: NHTSA Campaign 78V086000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.