STEERING KNUCKLE FRACTURE

Steering:Linkages:Tie Rod Assembly
Suspension:Front
Suspension:Front:Control Arm:Lower Ball Joint

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.

Documents (11)

• OPENING RESUME APPROVED * 12-02-04 * P
• IR TO MFR * 12-17-04 * P
• GM 11/11/2005 LETTER TO ODI
• MFR IR RESPONSE LETTER
• MEMO 7/22/2005 TO TIS, ONE CD, GM 7/22/2005 SUPPLEMENT 3, ATTACHMENT 1
• GM 6/6/2005 LETTER TO ODI, RECEIVED IN ODI 6/7/2005
• GM 8/26/2005 LETTER TO OCC REQUEST FOR CONFIDENTIAL TREATMENT
• OCC 11/9/2005 LETTER TO GM GRANT CONFIDENTIAL TREATMENT TO GM 8/26/2005 LETTER TO GM
• MEMO 6/6/2005 TO TIS, ONE CD, GM 6/6/2005 ATTACHMENT 1
• GM 7/22/2005 LETTER TO ODI, RECEIVED IN ODI 7/26/2005
• MEMO 2/28/2005 TO TIS, ONE CD GM 2/28/2005 ATTACHMENT 1 (Q1, Q3, Q4, Q6, Q9, Q10, Q12, Q13, Q15, & Q16

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