Freightliner Recall 78V146000: Service Brakes, Air, Supply, Check Valve

NHTSA recall 78V146000 · announced June 21, 1978 · filed by Freightliner Corp. · 65 units affected

The problem

THE CHECK VALVE, LOCATED ON THE INLET SIDE OF THE PRIMARY AND SECONDARY AIR TANKS MAY CRACK IN THE FEMALE FITTING AREA AND CAUSE A SLOW LOSS OF AIR. A LEAKING VALVE WILL REDUCE AIR PRESSURE AND PARTIAL OR COMPLETE LOSS OF BRAKES ON THOSE AXLES THAT DEPEND UPON THAT PART OF THE SYSTEM COULD OCCUR.

What to do

THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL NEW AIR CHECK VALVES.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SERVICE BRAKES; AIR CHECK VALVE.CONSEQUENCES OF DEFECT: PARTIAL OR COMPLETE LOSS OF BRAKING CAPABILITY COULDRESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT. UNDER SOME CONDITIONS, THEEMERGENCY BRAKES MAY AUTOMATICALLY ACTIVATE, POSSIBLY ALLOWING THE DRIVERSUFFICIENT TIME TO SELECT A SAFE PLACE TO PULL OFF THE HIGHWAY.NOTE: EACH CHECK VALVE SHOULD IMMEDIATELY BE INSPECTED FOR A LEAK. IF ONE ISFOUND, THE DEALER SHOULD BE CONTACTED IMMEDIATELY.

Vehicles covered by this recall

• 1977 Freightliner Freightliner
• 1978 Freightliner Freightliner

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