NHTSA recall campaign
78V146000
ManufacturerFREIGHTLINER CORP.Reported1978-06-21Affected65 vehicles
What was wrong
Defect
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.
Manufacturer remedy
THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL NEW AIR CHECK VALVES.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →