NHTSA Campaign Id 90V010000; Date: Jan. 23, 1990
The spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due to the sudden drag of the spring.
1978 Mack Mack; 1979 Mack Mack; 1980 Mack Mack; 1981 Mack Mack; 1982 Mack Mack; 1983 Mack Mack; 1984 Mack Mack; 1985 Mack Mack; 1986 Mack Mack; 1987 Mack Mack
Component: Suspension:rear:springs:leaf Spring Assembly
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 14,800
The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
Replace all 7/8 inch diameter spring eye bolts with 1 inch diameter bolts.
System: suspension; spring eye bolt. Vehicle description: heavy duty trucks with st34 or st 38 rear suspension.
Date Owners notified by Manufacturer: Sep 19, 1990
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