NHTSA Recall 09V194000
NHTSA Campaign Id 09V194000; Date: Jun. 1, 2009
Malfunction of the air brake system could result in a vehicle crash.
Recalled Vehicles:
2009 Mack LEU; 2009 Mack MRU
Component: Service Brakes, Air:supply:quick Release Valve
Manufactured by: Mack Trucks, Inc
Affected Units:: 338
Recall Summary:
Mack is recalling 338 model year 2009 mru and leu heavy duty trucks manufactured from August 20 through November 26, 2008 equipped with certain haldex quick release valves (qrv). The rubber diaphragm inside the qrv may experience delamination resulting in significant levels of air pressure leakage past and/or through the diaphragm, or the development of a bubble in the diaphragm which may trap air pressure in the valve and not allow the service brakes to release.
How to Fix:
Mack will notify owners and repair the affected vehicle free of charge. The safety recall is expected to begin on or about July 13, 2009. Owners can contact mack toll-free at 1-800-866-1177.
Recall Notes:
Mack's recall campaign no. Sc0338. Owners may also 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: Jul 13, 2009
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