NHTSA safety investigation
NHTSA Investigation PE04080
Preliminary Evaluation · General Motors, LLC · STEERING:LINKAGES:TIE ROD ASSEMBLY
An investigation is not a finding that a defect exists.
NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
What NHTSA is examining
The agency's own description of the inquiry, quoted as published
STEERING KNUCKLE FRACTURE
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.
An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.
Investigation details
Identifiers, dates and outcome as recorded by NHTSA
- Action number
- PE04080
- Investigation type
- Preliminary Evaluation (PE)
- Status
- Closed
- Manufacturer
- General Motors, LLC
- Component
- STEERING:LINKAGES:TIE ROD ASSEMBLY
- Opened
- Dec 2, 2004
- Closed
- Oct 28, 2005
- Associated recall campaign
- None recorded
Vehicles named in this investigation
2 model years across 1 model
Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.