NHTSA Campaign 80V054000
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Issued by MACK TRUCKS, INCORPORATED · Reported May 6, 1980 · 109 vehicles affected
What's wrong
THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.
Remedy
DEALER WILL RETROFIT WITH LOWER STEERING SHAFT LOWER YOKES THAT PROVIDE FOR INTEGRAL PINCH BOLT INSTALLATION IN PLACE OF PREVIOUS SEPARATELY FABRICATED CLAMP FOR THE PINCH BOLT.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | R SERIES | 1976 | 109 |
| MACK | R SERIES | 1977 | 109 |
| MACK | R SERIES | 1978 | 109 |
| MACK | R SERIES | 1979 | 109 |
| MACK | R SERIES | 1980 | 109 |
| MACK | U SERIES | 1976 | 109 |
| MACK | U SERIES | 1977 | 109 |
| MACK | U SERIES | 1978 | 109 |
| MACK | U SERIES | 1979 | 109 |
| MACK | U SERIES | 1980 | 109 |
Source: NHTSA Campaign 80V054000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.