MACK RD SERIES 1981: STEERING:GEAR BOX:SHAFT PITMAN
NHTSA Campaign ID Number: 81V155000
| Make | Model | Year |
|---|---|---|
| MACK | RD SERIES | 1981 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1982-06-23 | 1981-12-29 | 1982-01-19 |
Production Dates: 1981-08-01 - 1981-09-01
Manufacturers Involved: Mack Trucks, Inc.
Component: STEERING:GEAR BOX:SHAFT PITMAN
Potential Number Of Units Affected: 225
Report Initiator: MFR MFR Report
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.
THE DEALER WILL INSPECT AND, IF NECESSARY, RETORQUE THE RETAINING BOLT TO PROPER SPECIFICATIONS AT NO CHARGE.
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.
