NHTSA Recall 81V155000
Filed by Mack Trucks, Inc.. Component: Steering. Reported 1981-12-29. An estimated 225 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
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.
What the manufacturer will do
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.