Two problems related to front suspension wheel bearing have been reported for the 2003 Chevrolet Trailblazer. The most recently reported issues are listed below.
Wheel bearings on the front going bad. Have to replace.
While driving at 60 mph, the consumer felt a strange wobble sensation in the front left side of the vehicle. The consumer stopped the vehicle and checked the tire on that side . Several miles down the road the wheels on the vehicle locked up. The vehicle skidded across three lanes of traffic before coming to a stop. The dealer examined the vehicle and replaced the wheel bearing on the left side. Four weeks later the exact same thing happened on the right side of the vehicle. The right side wheel bearings needed to be replaced.