NHTSA Recall 81V094000
NHTSA Campaign Id 81V094000; Date: Aug. 6, 1981
Recalled Vehicles:
1978 Western Rl Series; 1979 Western Rl Series; 1980 Western Rl Series; 1981 Western Rl Series; 1978 Western Rs Series; 1979 Western Rs Series; 1980 Western Rs Series; 1981 Western Rs Series; 1978 Western Rwl Series; 1979 Western Rwl Series; 1980 Western Rwl Series; 1981 Western Rwl Series; 1978 Western Rws Series; 1979 Western Rws Series; 1980 Western Rws Series; 1981 Western Rws Series; 1978 Western Wl Series; 1979 Western Wl Series; 1980 Western Wl Series; 1981 Western Wl Series; 1978 Western Ws Series; 1979 Western Ws Series; 1980 Western Ws Series; 1981 Western Ws Series
Component: Suspension:rear:springs
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 1,000
Recall Summary:
Inadequate weld positioning coupled with radius rod load and loosening of the spring clip nuts could cause spring seat fracture. This can result in loss of directional control of the axle.
How to Fix:
Spring seat radius rod brackets will be inspected and replaced if necessary. In addition, supplemental brackets will be installed to reinforce the spring seat, without charge.
Recall Notes:
Vehicle description: heavy trucks equipped with rockwell internationalsqhd-sqhp rear axle and dayton truckmaster suspension. System: suspension; spring seat/radius rod bracket. Consequences of defect: this defect could cause a loss of vehicle controlwithout prior warning and may result in an accident.
Date Owners notified by Manufacturer: May 10, 1982
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