WASHINGTON (Dec. 10, 2004) — The National Highway Traffic Safety Administration (NHTSA) has opened a preliminary evaluation of alleged steering knuckle fractures at the lower ball joint attachment in model year 2003-2004 Hummer H2 sport-utility vehicles. These failures caused the vehicles to lose control, complainants said, and three of the four reported incidents also resulted in wheel separation.
NHTSA opens investigation into Hummer wheel loss
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