NHTSA recall 06V232000
Parking brake › Conventional › Air
Mack Chn and 6 more
Reported Jun 28, 20062,587 vehicles affectedMACK TRUCKS, INCMaker’s number SC0336Built Apr 5, 2006 – Jun 1, 2006
The defect
On certain trucks equipped with SR-7 bendix brake valves, the check valve inside the valve cavity may not properly set, causing internal air leakage. if the check valve does not properly seat, the resulting leakage can cause a delay in the application of the spring brakes to park the vehicle after operator pulls the dash valve button.
The risk
The delayed parking brake application can occur without warning, leading to unintended vehicle rollaway increasing the risk of a crash.
The remedy
Dealers will inspect the valves and replace it free of charge. the recall began on august 14, 2006. owners may contact mack trucks at 1-800-528-6586.