The defect
KENWORTH IS RECALLING 3,423 MY 2004-2009 T2000, T800,T600, W900 AND T660 VEHICLES. INCREASED BRAKE EXCITATION IN A CERTAIN VEHICLE CONFIGURATION WHICH INCLUDES BENDIX DRUM BRAKES, WIDE BASE LOW PROFILE SINGLE TIRES, AND AN AG400 OR AG460 REAR SUSPENSION, DUE TO ITS UNIQUE BRAKE CLOCKING AND CAM TUBE LENGTH, CAN CAUSE FATIGUE AND CRACKING TO BRAKE ASSEMBLY COMPONENTS.
The risk
CRACKING CAN CAUSE A COMPLETE FRACTURE OF THE CAM TUBE, WHICH COULD INCREASE STOPPING DISTANCE AND DECREASE PARKING BRAKE HOLD CAPABILITY.
The remedy
DEALERS WILL INSPECT THE REAR AXLE BRAKES ASSEMBLY, REPLACE CRACKED REAR AXLE BRAKES ASSEMBLY COMPONENTS WHERE REQUIRED, AND INSTALL CAM TUBE SUPPORT BRACKETS ON ALL REAR AXLE WHEEL ENDS FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN OR BEFORE JULY 25, 2009. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T2000 | 2004, 2005, 2006, 2007, 2008, 2009 |
| Kenworth T600 | 2004, 2005, 2006, 2007, 2008, 2009 |
| Kenworth T660 | 2004, 2005, 2006, 2007, 2008, 2009 |
| Kenworth T800 | 2004, 2005, 2006, 2007, 2008, 2009 |
| Kenworth W900 | 2004, 2005, 2006, 2007, 2008, 2009 |
Components: SERVICE BRAKES, AIR
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 T2000 | 2004 | 3 | 7 |
| Kenworth T2000 | 2005 | 0 | 7 |
| Kenworth T2000 | 2006 | 7 | 7 |
| Kenworth T2000 | 2007 | 12 | 11 |
| Kenworth T2000 | 2008 | 2 | 14 |
| Kenworth T2000 | 2009 | 0 | 12 |
| Kenworth T600 | 2004 | 0 | 10 |
| Kenworth T600 | 2005 | 4 | 8 |
| Kenworth T600 | 2006 | 1 | 8 |
| Kenworth T600 | 2007 | 1 | 13 |
| Kenworth T600 | 2008 | 1 | 11 |
| Kenworth T600 | 2009 | 0 | 5 |
| Kenworth T660 | 2004 | 0 | 2 |
| Kenworth T660 | 2005 | 0 | 4 |
| Kenworth T660 | 2006 | 0 | 4 |
| Kenworth T660 | 2007 | 0 | 8 |
| Kenworth T660 | 2008 | 2 | 14 |
| Kenworth T660 | 2009 | 0 | 17 |
| Kenworth T800 | 2004 | 3 | 12 |
| Kenworth T800 | 2005 | 3 | 12 |
| Kenworth T800 | 2006 | 4 | 13 |
| Kenworth T800 | 2007 | 1 | 20 |
| Kenworth T800 | 2008 | 1 | 25 |
| Kenworth T800 | 2009 | 2 | 19 |
| Kenworth W900 | 2004 | 2 | 12 |
| Kenworth W900 | 2005 | 2 | 9 |
| Kenworth W900 | 2006 | 1 | 11 |
| Kenworth W900 | 2007 | 2 | 16 |
| Kenworth W900 | 2008 | 1 | 20 |
| Kenworth W900 | 2009 | 0 | 17 |
Other service brakes, air recalls in 2009
27 of the 491 recall campaigns reported to NHTSA in 2009 concerned the service brakes, air; PACCAR INCORPORATED filed 113 campaigns in all.
| 09V487000 22 Dec 2009 | NISSAN DIESEL AMERICA, INC |
| 09V475000 15 Dec 2009 | FORD MOTOR COMPANY |
| 09V395000 6 Oct 2009 | MACK TRUCKS, INC |
| 09V380000 1 Oct 2009 | ENTEGRA COACH |
| 09V334000 20 Aug 2009 | LABRIE ENVIRONMENTAL GROUP |
| 09V309000 29 Jul 2009 | GENERAL MOTORS CORP. |
| 09V290000 23 Jul 2009 | ROUSH PERFORMANCE PRODUCTS, INC. |
| 09V285000 23 Jul 2009 | BLUE BIRD BODY COMPANY |
NHTSA recalls (public domain) · all recalls of 2009