NHTSA Campaign Id 79V275000; Date: Dec. 28, 1979
1977 Western Rl Series; 1978 Western Rl Series; 1979 Western Rl Series; 1977 Western Rs Series; 1978 Western Rs Series; 1979 Western Rs Series; 1977 Western Rwl Series; 1978 Western Rwl Series; 1979 Western Rwl Series; 1977 Western Rws Series; 1978 Western Rws Series; 1979 Western Rws Series; 1978 Western Wl Series; 1979 Western Wl Series; 1978 Western Ws Series; 1979 Western Ws Series
Component: Suspension:front:springs:coil Springs
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 9,000
The involved vehicles fail to comply with federal motor vehicle safety standard no. 204, "steering control rearward displacement". The aluminum front spring rear bracket is subject to breakage. This bracket, along with the taper leaf front springs, attaches the spring shackle to the chassis frame.
Dealer will replace the present aluminum front spring rear bracket with a redesigned spring bracket containing a reinforcing rib.
Vehicle description: trucks. System: suspension; aluminum front spring rear bracket. Consequences of defect: should the bracket break, steering control would beimpaired. This could cause loss of vehicle control and an accident.
Date Owners notified by Manufacturer: Jun 30, 1980
Also see: