Recall campaign · NHTSA 81V155000

Steering: gear box: shaft pitman

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1981-12-29.

Recall campaignNHTSA 81V155000

Steering: gear box: shaft pitman

Component
Steering: gear box: shaft pitman
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
225
Reported to NHTSA
1981-12-29
Owners notified
1982-06-23

Defect description

THE PITMAN ARM RETAINING BOLT MAY NOT HAVE BEEN TIGHTENED TO THE REQUIRED SPECIFICATIONS DUE TO A DESIGN CHANGE. INADEQUATE RETENTION OF THE BOLT TO THE OUTPUT SHAFT COULD ALLOW THE PITMAN ARM TO LOOSEN.

Manufacturer remedy

THE DEALER WILL INSPECT AND, IF NECESSARY, RETORQUE THE RETAINING BOLT TO PROPER SPECIFICATIONS AT NO CHARGE.

Notes

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING; PITMAN ARM RETAINING BOLTS.CONSEQUENCES OF DEFECT: SHOULD THIS LOOSE CONDITION GO UNCORRECTED, THE SPLINEDGROOVES ON THE OUTPUT SHAFT COULD WEAR SMOOTH, CAUSING LOSS OF STEERINGCONTROL, WITHOUT PRIOR WARNING, AND A VEHICLE ACCIDENT.

Scope of coverage

4 model years across 4 models.

ModelYears on record
MACK MC Series1981
MACK MR Series1981
MACK R Series1981
MACK RD Series1981

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.