Freightliner Recall 78V086000: Service Brakes, Air, Antilock, Control Unit/module
NHTSA recall 78V086000 · announced April 19, 1978 · filed by Freightliner Corp. · 12 units affected
The problem
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.
What to do
THE INCORRECT CONTROLLER WILL BE REPLACED WITH A NEW ONE.
Official NHTSA recall notice →
Notes
VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH EATON ANTI-LOCK SYSTEMS.SYSTEM: SERVICE BRAKES; AXLE CONTROLLERS.CONSEQUENCES OF DEFECT: THE CONSTANTLY ENERGIZED SOLENOID PREVENTS APPLICATIONOF THE BRAKES ON THE AXLE BEING CONTROLLED BY THE AFFECTED ANTI-LOCK SYSTEM.THIS CONDITION WOULD LEAD TO LONGER VEHICLE STOPPING DISTANCES, AND THEPOSSIBILITY OF A VEHICLE ACCIDENT.NOTE: THE BRAKE WARNING LIGHT WOULD NOT BE ACTIVATED IF THIS TYPE OF FAILUREOCCURRED.
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.