NHTSA Campaign Id 15V139000; Date: Mar. 11, 2015
An inadvertent decoupling of the trailer from the tractor may increase the risk of a crash.
2012 Mack Pinnacle (cxu); 2013 Mack Pinnacle (cxu); 2014 Mack Pinnacle (cxu); 2015 Mack Pinnacle (cxu)
Component: Trailer Hitches:fifth Wheel Assembly
Manufactured by: Mack Trucks, Inc.
Affected Units:: 262
Mack trucks, inc (mack) is recalling certain model year 2012-2015 cxu trucks manufactured February 4, 2011, to December 23, 2014, and equipped with an air release fifth wheel latch. The affected vehicles have a switch to release the fifth wheel latch that may invertently be pushed and cause the trailer to unintentionally disconnect from the tractor after the parking brake has been released.
Mack will notify owners, and dealers will install a secondary action that operators will need to activate before the fifth wheel will release, free of charge. The recall began on may 6, 2015. Owners may contact mack customer service at 1-800-528-6586. Mack's number for this recall is sc0390.
Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.safercar.gov.
Date Owners notified by Manufacturer: May 6, 2015
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