The defect
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2012, CHU, CXU, GU, MRU, LEU, AND TD TRUCKS EQUIPPED WITH A MERITOR DRIVELINE. THE TUBING USED TO ASSEMBLE THE AFFECTED DRIVELINES HAS A NONCONFORMING SEAM WELD WITH INSUFFICIENT BONDING OF THE MATERIAL.
The risk
THIS CAN RESULT IN SEAM WELD FRACTURE WHEN TORQUE IS APPLIED. ONCE THE TUBE SEAM WELD IS FRACTURED, THE DRIVELINE MAY BECOME INOPERABLE WHICH MAY RESULT IN A DISABLED VEHICLE OR DEBRIS FROM THE DRIVELINE MAY FALL ON THE ROADWAY, BOTH OF WHICH CAN INCREASE THE RISK OF A CRASH.
The remedy
DEALERS WILL REPLACE THE DRIVELINES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 25, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack Granite (gu) | 2012 |
| Mack LEU | 2012 |
| Mack MRU | 2012 |
| Mack Pinnacle (chu) | 2012 |
| Mack Pinnacle (cxu) | 2012 |
| Mack TD | 2012 |
Components: POWER TRAIN:DRIVELINE
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 Granite (gu) | 2012 | 0 | 13 |
| Mack LEU | 2012 | 0 | 8 |
| Mack MRU | 2012 | 0 | 9 |
| Mack Pinnacle (chu) | 2012 | 0 | 8 |
| Mack Pinnacle (cxu) | 2012 | 0 | 12 |
| Mack TD | 2012 | 0 | 3 |
Other power train recalls in 2011
39 of the 597 recall campaigns reported to NHTSA in 2011 concerned the power train; MACK TRUCKS, INC filed 74 campaigns in all.
| 11V595000 20 Dec 2011 | GENERAL MOTORS LLC |
| 11V589000 19 Dec 2011 | NAVISTAR, INC |
| 11V594000 19 Dec 2011 | COTTRELL, INC. |
| 11V582000 8 Dec 2011 | FORD MOTOR COMPANY |
| 11V558000 18 Nov 2011 | DAIMLER TRUCKS NORTH AMERICA |
| 11V537000 3 Nov 2011 | HINO MOTORS SALES U.S.A., INC. |
| 11V509000 20 Oct 2011 | PJ TRAILERS |
| 11V476000 15 Sept 2011 | BMW OF NORTH AMERICA, LLC |
NHTSA recalls (public domain) · all recalls of 2011