NHTSA recall 07V322000
Steering
Mack Chu and 1 more
Reported Jul 24, 20071,072 vehicles affectedMACK TRUCKS, INCMaker’s number SC0326Built Dec 14, 2006 – May 22, 2007
The defect
On certain trucks, the nut used to retain the steering shaft may or may not be a lock nut that has the locking feature. a lock nut IS required to provide additional resistance to ensure that the nut does not come loose.
The risk
If the nut were to come loose and be left untreated, the steering shaft could potentially separate increasing the risk of a crash.
The remedy
Dealers will replace the steering shaft pinch bolts and locknuts free of charge. the recall began on august 24, 2007. owners may contact mack trucks at 1-800-528-6586.