NHTSA Campaign Id 07V360000; Date: Aug. 15, 2007
This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
Recalled Vehicles:2006 Mack CHN; 2007 Mack CHN; 2008 Mack CHU; 2006 Mack CTP; 2007 Mack CTP; 2008 Mack CTP; 2006 Mack CV; 2007 Mack CV; 2008 Mack CV; 2006 Mack CXN; 2007 Mack CXN; 2008 Mack CXN; 2007 Mack CXP; 2008 Mack CXU; 2008 Mack GU; 2007 Mack MR
Component: Parking Brake
Manufactured by: Mack Trucks, Inc
Affected Units:: 18,805
Recall Summary: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.
How to Fix: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.
Recall Notes:Mack recall no. Sc0335 (sc0328). Customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov.
Date Owners notified by Manufacturer: Jan 10, 2008
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