NHTSA Recall 79V082000
NHTSA Campaign Id 79V082000; Date: Apr. 3, 1979
Recalled Vehicles:
1977 Mack DM; 1978 Mack DM; 1977 Mack R; 1978 Mack R; 1977 Mack RD; 1978 Mack RD; 1977 Mack U; 1978 Mack U
Component: Steering:wheel And Handle Bar
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 12,000
Recall 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.
How to Fix:
Vehicles will be inspected and, if necessary, the correct fasteners will be installed at no charge to owner.
Recall Notes:
Vehicle description: heavy trucks. System: steering; steering shaft clamp bolt. Consequences of defect: this defect could cause loss of vehicle control and avehicle accident.
Date Owners notified by Manufacturer: Aug 13, 1979
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