NHTSA recall 89V033000
Suspension › Rear › Springs
Mack Dmm Series and 4 more
Reported Mar 3, 1989152 vehicles affectedMACK TRUCKS, INCORPORATEDBuilt Sep 1, 1987 – Oct 1, 1988
The defect
Dowels may have been omitted during spring cap installation; this would put shear load on the four (4) spring cap bolts.
The risk
This could result in loosening and failure of the boltswith possible loss of control and accident potential.
The remedy
Install the missing dowels to prevent movement between the spring cap and axle housing.