Recall campaign · NHTSA 75V141000
MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1975-07-24.
No remedy is listed yet. This typically indicates the manufacturer reported the defect before finalizing a repair procedure.
MACK CAMPAIGN NO SCO-63.TRUCKS MFG'D DEC.12, 1974 THRU JUNE 30, 1975.POSSIBILITY THAT THE TRAILER SUPPLY CONTROL VALVE EXHAUST PORT WAS INADVERTENLYPLUGGED, AND THE SAFETY VALVE ON THE AIR RESERVOIR MAY HAVE BEEN OMITTED.IFTHIS CONDITION EXISTS IT COULD LEAD TO INTERMITTENT LOCKUP OF THE TRAILERBRAKES AND DIFFICULTY IN CHARGING THE TRAILER BRAKE AIR SYSTEM.(CORRECT BYINSPECTING AND INSTALLING VALVE AND UNPLUG CONTROL VALVE).
8 model years across 4 models.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.