The defect
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 CHU AND CXU HEAVY TRUCKS MANUFACTURED FROM JANUARY 2008 THROUGH JULY 2010. THERE MAY BE AN INTERFERENCE WITH THE BOLTS USED TO SECURE THE FIFTH WHEEL TO THE FRAME THAT CAN PREVENT THE BOLTS FROM BEING TORQUED TO SPECIFICATION.
The risk
THE BOLTS MAY FAIL AND COULD RESULT IN THE FIFTH WHEEL COMING LOOSE CAUSING THE TRAILER TO SEPARATE FROM THE TRACTOR INCREASING THE RISK OF A CRASH.
The remedy
DEALERS WILL INSPECT AND REPLACE THE BOLTS AS REQUIRED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 30, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.
NHTSA's own wording · initiated by ODI
Vehicles covered
| Model | Model years |
|---|---|
| Mack CHU | 2009, 2010 |
| Mack CXU | 2009, 2010 |
| Mack Pinnacle (chu) | 2011 |
| Mack Pinnacle (cxu) | 2011 |
Components: TRAILER HITCHES:FIFTH WHEEL ASSEMBLY
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack CHU | 2009 | 0 | 3 |
| Mack CHU | 2010 | 0 | 5 |
| Mack CXU | 2009 | 3 | 3 |
| Mack CXU | 2010 | 1 | 7 |
| Mack Pinnacle (chu) | 2011 | 0 | 7 |
| Mack Pinnacle (cxu) | 2011 | 0 | 11 |
Other trailer hitches recalls in 2011
8 of the 597 recall campaigns reported to NHTSA in 2011 concerned the trailer hitches; MACK TRUCKS, INC filed 74 campaigns in all.
| 11V482000 23 Sept 2011 | ALUMINUM TRAILER COMPANY |
| 11V460000 1 Sept 2011 | VOLVO TRUCKS NORTH AMERICA |
| 11V461000 1 Sept 2011 | MACK TRUCKS, INC |
| 11V437000 23 Aug 2011 | JAYCO, INC. |
| 11V388000 1 Aug 2011 | PACCAR INCORPORATED |
| 11V289000 18 May 2011 | DAIMLER TRUCKS NORTH AMERICA |
| 11V002000 4 Jan 2011 | KEYSTONE RV COMPANY |
NHTSA recalls (public domain) · all recalls of 2011