1979 MACK U SERIES RECALL - #80V054000
RECALL FOR STEERING : GEAR BOX (OTHER THAN RACK AND PINION)
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.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
1979 MACK U SERIES |
|
| Manufacturer |
MACK TRUCKS, INCORPORATED |
| Manufactured between |
7/1/1976 - 1/1/1980 |
| Recalled on |
5/16/1980 |
| Influenced by |
OFFICE OF DEFECTS INVESTIGATION |
| Owners Notified on |
1/31/1981 |
| # Affected |
109 |
| Recalled for |
STEERING:GEAR BOX (OTHER THAN RACK AND PINION) |
|
|
| Description |
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. |
| Consequences |
|
| Corrective action |
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. |
| Notes |
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING; POWER STEERING SHAFT; FABRICATED PINCH BOLT CLAMP.CONSEQUENCES OF DEFECT: DISENGAGEMENT OF THE STEERING SHAFT MAY CAUSE LOSS OFVEHICLE CONTROL WITHOUT PRIOR WARNING AND, POSSIBLY, AN ACCIDENT. |
| See also |
1979 MACK U SERIES Recall for PARKING BRAKE, DRIVELINE, AIR
1979 MACK U SERIES Recall for SERVICE BRAKES, AIR, CONTROLS, HAND CONTROL/VALVE
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