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NHTSA investigationPE04080

Investigation PE04080: 2003–2004 Hummer H2

Status
CLOSED
Opened
Dec 2, 2004
Closed
Oct 28, 2005
Model years
2003–2004

Subject

Steering knuckle fracture

Component: Steering › Linkages › Tie rod assembly

Summary

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 NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.