NHTSA Campaign Id 07V497000; Date: Oct. 23, 2007
There is a possibility that the pivot bolt can become loose without the driver's knowledge. When this occurs, the driver could drive away and the trailer could become disengaged, increasing the risk of a crash.
2006 Mack CHN; 2007 Mack CHN; 2008 Mack CHN; 2006 Mack CL; 2007 Mack CL; 2008 Mack CL; 2006 Mack CT; 2007 Mack CT; 2008 Mack CT; 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; 2006 Mack CXP; 2007 Mack CXP; 2008 Mack CXP; 2006 Mack CXU; 2007 Mack CXU; 2008 Mack CXU
Component: Trailer Hitches:fifth Wheel Assembly
Manufactured by: Mack Trucks, Inc
Affected Units:: 950
On certain trucks equipped with a saf holland simplex fifth wheel, the lever arm pivot bolt may have been over tightened. An over tightened pivot bolt can distort the pivot bolt spacer sleeve, which may prevent the fifth wheel latch jaw from closing and latching securely around the trailer king pin.
Dealers will replace the pivot bolt and sleeve with a hex head shoulder bolt and washer free of charge. The recall began on January 28, 2008. Owners may contact mack trucks at 1-800-528-6586.
Mack trucks recall no. Sc0331. Customers 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: Jan 28, 2008
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