1976 MACK U SERIES Recall

Campaign:

80V054000 on 05/15/1980

Component:

Steering:gear box (other than rack and pinion)

Manufactured:

06/30/1976 - 12/31/1979

Affected:

109

Defect:

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.

Correction:

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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