U: STEERING:WHEEL AND HANDLE BAR

Go Back To 1978 MACK TRUCKS, INC Directory

NHTSA Campaign Number:	79V082000
Vehicle/Equipment Make:	MACK
Vehicle/Equipment Model:	U
Model Year:	1978
Manufacturer Campaign Number:
Manufacturer Component Description:	STEERING:WHEEL AND HANDLE BAR
Manufacturers Involved in Recall:	MACK TRUCKS, INCORPORATED
Manufacturered:	19770301 - 19781101
Type of Report:	V (Vehicle, Equipment or Tire)
Potential Number of Units Affected:	12000
Date Owner Notified By Manufacturer:	19790813
Recall Initiated By:	19790813
Manufacturer Responsible For Recall:	MACK TRUCKS, INC
Report Received Date:	19790403
Record Creation Date:	19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Defect Summary:	AN IMPROPER PINCH BOLT AND NUT MAY HAVE BEEN USED IN THE CLAMPING OF THE STEERING SHAFT TO THE STEERING GEAR INPUT SHAFT. DUE TO CLAMPING FORCE LOADS APPLIED AT THE BOLT, THE NUT COULD YIELD, RESULTING IN LOOSENESS OF THE INPUT SHAFT YOKE. SHOULD THIS CONDITION GO UNNOTICED, SPLINE WEAR COULD CAUSE SHAFT SEPARATION.
Consequence Summary:
Corrective Summary:	VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER.

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