NHTSA recall 07V360000
Parking brake
Mack Chn and 8 more
Reported Aug 15, 200718,805 vehicles affectedMACK TRUCKS, INCMaker’s number SC0335Built Nov 4, 2005 – May 1, 2007
The defect
On certain trucks equipped with bendix SR-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button.
The risk
This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
The remedy
Mack IS working with bendix to repair these vehicles (please see 07e037). bendix will install a check valve repair kit for the affected SR-7 spring brake modulating valve free of charge. the recall began on january 10, 2008. owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586.