Campaign 81V-086

Involved trucks have pitman arms with timing marks and serrations located 8 degrees out of proper alignment

View NHTSA filingAll Mack Trucks campaigns
Defect summary

THE INVOLVED TRUCKS HAVE PITMAN ARMS WITH TIMING MARKS AND SERRATIONS LOCATED 8 DEGREES OUT OF PROPER ALIGNMENT. WHEN THE CHASSIS IS RAISED TO THE MAXIMUM CONDITION WITH THE WHEELS SUSPENDED OR DROPPED INTO A DEEP HOLE, THE PITMAN ARM AND DRAG LINK CAN GO INTO TOGGLE POSITION.

Remedy

UPON INSPECTION, ALL DEFECTIVE PITMAN ARMS WILL BE REPLACED WITH PROPERLY TIMED ARMS.

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH LEFT HAND STEERING AND 9QC3239-P3PITMAN ARM.SYSTEM: STEERING; STEERING GEAR LEVER (PITMAN ARM).CONSEQUENCES OF DEFECT: UNDER THESE CONDITIONS THE STEERING WOULD LOCK,RESULTING IN LOSS OF VEHICLE CONTROL AND, POSSIBLY, AN ACCIDENT.

Source: NHTSA ODI recalls file, campaign 81V086000. Text as published by NHTSA.
Vehicles covered

4 product lines are covered

Owner complaints filed with NHTSA about steering on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 81V-086
MakeModelModel yearsComplaints on this component
MackR60019810
MackR70019810
MackRD40019810
MackRD60019810
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.