Recall campaign · NHTSA 78V031000

Suspension: multiple axle

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1978-02-09.

Recall campaignNHTSA 78V031000

Suspension: multiple axle

Component
Suspension: multiple axle
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
33,000
Reported to NHTSA
1978-02-09
Owners notified
1978-08-16

Defect description

THE TEE BRACKET, WHICH IS MOUNTED ON THE FRONT AXLE OF THE BOGIE, MAY FAIL DUE TO VIBRATION BROUGHT ON BY ROAD SURFACE IRREGULARITIES. BRACKET FAILURE WOULD LEAVE THE TEE BRACKET UNSUPPORTED AND CAUSE BROKEN HOSE CONNECTOR FITTINGS. THIS WOULD RESULT IN AUTOMATIC APPLICATION OF THE SPRING EMERGENCY BRAKES.

Manufacturer remedy

THE DEALER WILL REPLACE THE DEFECTIVE BRACKET WITH A REDESIGNED VERSION.

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH HIGHWAY BOGIES.SYSTEM: SUSPENSION; TEE BRACKET.CONSEQUENCES OF DEFECT: AUTOMATIC APPLICATION OF THE SPRING EMERGENCY BRAKESCOULD CAUSE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Scope of coverage

12 model years across 3 models.

ModelYears on record
MACK F1978 1977 1976 1975
MACK R1978 1977 1976 1975
MACK U1978 1977 1976 1975

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.