Known Recalls

Recall campaign · NHTSA 79V082000

Steering: steering wheel/handle bar

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1979-04-03.

Recall campaignNHTSA 79V082000

Steering: steering wheel/handle bar

Component
Steering: steering wheel/handle bar
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
12,000
Reported to NHTSA
1979-04-03
Owners notified
1979-08-13

Defect description

AN IMPROPER PINCH BOLT AND NUT MAY HAVE BEEN USED IN THE CLAMPING OF THE STEERING SHAFT TO THE STEERING GEAR INPUT SHAFT. DUE TO CLAMPING FORCE LOADS APPLIED AT THE BOLT, THE NUT COULD YIELD, RESULTING IN LOOSENESS OF THE INPUT SHAFT YOKE. SHOULD THIS CONDITION GO UNNOTICED, SPLINE WEAR COULD CAUSE SHAFT SEPARATION.

Manufacturer remedy

VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: STEERING; STEERING SHAFT CLAMP BOLT.CONSEQUENCES OF DEFECT: THIS DEFECT COULD CAUSE LOSS OF VEHICLE CONTROL AND AVEHICLE ACCIDENT.

Scope of coverage

8 model years across 4 models.

ModelYears on record
MACK DM1978 1977
MACK R1978 1977
MACK RD1978 1977
MACK U1978 1977

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.