Electrical system: wiring
- Component
- Electrical system: wiring
- Manufacturer
- PACCAR, INCORPORATED
- Vehicles affected
- 44
- Reported to NHTSA
- 2002-02-04
- Owners notified
- 2002-02-25
Defect description
ON SOME HEAVY DUTY TRUCKS EQUIPPED WITH ALCOA FUJIKURA LTD. (AFL) POWER DISTRIBUTION BOXES (PD BOX), THE PD BOXES WERE MANUFACTURED WITH INSUFFICIENT TORQUE APPLIED TO THE NUT OF THE MAIN POWER FEED-THROUGH STUD.
Safety risk
INSUFFICIENT TORQUE CAN LEAD TO (1) ELECTRICAL ARCING OF THE WIRES INSIDE OF THE PD BOX, OR (2) AN INTERRUPTED POWER SUPPLY TO THE VEHICLE'S ELECTRICAL SYSTEM, EITHER OF WHICH CAN LEAD TO A LOSS OF VEHICLE ELECTRICAL POWER AND POSSIBLY VEHICLE CONTROL WITHOUT WARNING.
Manufacturer remedy
DEALERS WILL INSPECT AND TIGHTEN THE NUT ON THE MAIN POWER FEED-THROUGH STUD. OWNER NOTIFICATION BEGAN FEBRUARY 25, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KENWORTH AT 1-425-828-5440.