NHTSA Campaign Id 89V033000; Date: Mar. 3, 1989
This could result in loosening and failure of the boltswith possible loss of control and accident potential.
1988 Mack Dm Series; 1988 Mack Dmm Series; 1988 Mack MH; 1988 Mack Rd Series; 1988 Mack Rw Series
Component: Suspension:rear:springs
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 152
Dowels may have been omitted during spring cap installation; this would put shear load on the four (4) spring cap bolts.
Install the missing dowels to prevent movement between the spring cap and axle housing.
System: spring cap to axle housing connection dowel. Vehicle description: heavy duty trucks.
Date Owners notified by Manufacturer: Jul 31, 1989
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