What NHTSA investigated
During the pe, odi investigated the hummer H2 for fractures which were occurring at the front steering knuckle lower boss.when the knuckle lower boss fractures, the lower ball joint stud is released and the entire knuckle and wheel/tire assembly separates from the vehicle.odi is upgrading this investigation to gain a full technical understanding of the factors which contributed to these failures.
Vehicles covered
| Make | Model | Model years |
|---|---|---|
| Hummer | H2 | 2003–2004 |
Source
From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.