NHTSA recall 07V346000
Fuel system, diesel
Mack Chu and 2 more
Reported Aug 7, 2007121 vehicles affectedMACK TRUCKS, INCMaker’s number SC0325Built Dec 1, 2006 – Mar 16, 2007
The defect
On certain trucks, an unprotected lead in the thermoswitch of the heater may make contact with another post possibly creating a short circuit, which can result in continuous operation of the heating element.
The risk
If the condition exists and the key IS left on without fuel in the filter, the heating element may heat to a point where a flame becomes present at the tip of the element which could result in a vehicle fire.
The remedy
Dealers will inspect the thermoswitch and will replace it if necessary. the recall began on september 10, 2007. owners may contact mack trucks at 1-800-528-6586.