The defect
ON CERTAIN TRUCKS EQUIPPED WITH CUMMINS ISC OR PACCAR PX8 ENGINES, THE JUMPER WIRE BETWEEN THE GRID HEATER RELAY TO THE FUSE BLOCK HAS BEEN ROUTED IN SUCH A WAY THAT THE POTENTIAL EXISTS FOR IT TO RUB AGAINST THE RADIATOR SUPPORT.
The risk
THE SUSPECT WIRE IS DOWN STREAM OF THE FUSE; THIS CHAFF POINT COULD CAUSE THE 250 AMP CHARGE WIRE TO ARC, POTENTIALLY CAUSING A FIRE.
The remedy
DEALERS WILL INSPECT THE ROUTING OF THE JUMPER WIRE. IF THE WIRE IS NOT ROUTED CORRECTLY, IT WILL BE INSPECTED FOR RUBBING OR CHAFFING AND REPLACED IF NECESSARY FREE OF CHARGE. THE RECALL BEGAN ON JUNE 22, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T300 | 2006, 2007, 2008 |
Components: ELECTRICAL SYSTEM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth T300 | 2006 | 0 | 4 |
| Kenworth T300 | 2007 | 3 | 5 |
| Kenworth T300 | 2008 | 0 | 7 |
Other electrical system recalls in 2007
35 of the 587 recall campaigns reported to NHTSA in 2007 concerned the electrical system; PACCAR INCORPORATED filed 113 campaigns in all.
| 07V599000 28 Dec 2007 | NISSAN NORTH AMERICA, INC. |
| 07V569000 15 Dec 2007 | WHEELED COACH INDUSTRIES |
| 07V573000 14 Dec 2007 | VOLVO TRUCKS NORTH AMERICA |
| 07V574000 14 Dec 2007 | GIRARDIN MINIBUS INC. |
| 07V557000 11 Dec 2007 | PORSCHE CARS NORTH AMERICA, INC. |
| 07V552000 5 Dec 2007 | BLUE BIRD BODY COMPANY |
| 07V544000 29 Nov 2007 | FREIGHTLINER LLC |
| 07V538000 27 Nov 2007 | MONACO COACH CORPORATION |
NHTSA recalls (public domain) · all recalls of 2007