Recalls for your 1977 Mack U Series

Recalls for 1977 Mack U Series

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1 recalls found.
All Mack Recalls

DEFECT #1 - STEERING:GEAR BOX (OTHER THAN RACK AND PINION)


Posted on: 1980-05-16
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.

Consequence


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.
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