NHTSA Recall 11V157000
NHTSA Campaign Id 11V157000; Date: Mar. 7, 2011
If the slack adjuster housing were to fracture, the wheel brake to which the slack adjuster housing is attached would no longer function, which could increase vehicle stopping distances, and if mounted on the steer axle, could cause the vehicle to pull to one side during braking, increasing the risk of a crash.
Recalled Vehicles:
2011 Kenworth C500; 2012 Kenworth C500; 2012 Kenworth T170; 2011 Kenworth T270; 2011 Kenworth T370; 2012 Kenworth T370; 2011 Kenworth T440; 2012 Kenworth T440; 2011 Kenworth T470; 2012 Kenworth T470; 2011 Kenworth T660; 2012 Kenworth T660; 2011 Kenworth T800; 2012 Kenworth T800; 2011 Kenworth W900; 2012 Kenworth W900
Component: Service Brakes, Air:slack Adjusters
Manufactured by: Paccar Incorporated
Affected Units:: 280
Recall Summary:
Paccar is recalling certain model year 2011-2012 kenworth t270/370, t440/t470, t800, t660, w900 and c500 vehicles manufactured between October 18, 2010, and January 28, 2011. Certain cast iron slack adjuster housings, which transmit braking force from the brake chamber push rod to the brake cam tube, may include a flow notch in the handle portion of the housing due to an error during the casting process. A flow notch in the handle portion may reduce the effective cross section structure and cause the slack adjuster housing to fracture.
How to Fix:
Dealers will inspect and replace the slack adjuster housing as necessary. This service will be performed free of charge. The safety recall began on March 30, 2011. Owners may contact kenworth at 425-828-5440.
Recall Notes:
Kenworth safety recall. No. 11kwa. 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: Mar 30, 2011
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