Recall campaign · NHTSA 76V004000
MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1976-01-13.
No remedy is listed yet. This typically indicates the manufacturer reported the defect before finalizing a repair procedure.
MACK CAMPAIGN NO SC071.TRUCKS EQUIPPED WITH SWTL-56 SERIES REAR AXLE.POSSIBILITY THAT THE REAR SUSPENSION WAS ASSEMBLED WITH AN INCORRECT TRUNNIONTHAT HAS A RADIUSED SPRING SEAT, CREATING A LINE OF CONTACT BETWEEN THE SPRINGSEAT AND THE SPRING ITSELF, SUBJECTING THESE COMPONENTS TO HIGH STRESSCONCENTRATIONS.IF THIS CONDITION EXISTS IT COULD ULTIMATELY LEAD TO PREMATURESPRING FAILURE, AND PERMIT AXLE ASSEMBLY DISLOCATION THAT COULD RESULT IN LOSSOF VEHICLE CONTROL WITHOUT WARNING TO THE DRIVER, WITH POSSIBLE VEHICLE CRASH.(CORRECT BY INSPECTING AND INSTALLING SPECIFIED SPRING TRUNNIONS THATINCORPORATE FLATSPRING SEATS).
4 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.