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Home >> Chevrolet >> 2002 >> TrailBlazer RWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - General Diagnosis >> Diagnostic Information >> Wheel Bearing Diagnosis

Wheel Bearing Diagnosis

Tools Required: J 8001 Dial Indicator. See SPECIAL TOOLS  .

NOTE: If you are inspecting the FRONT wheel bearing/hub, support the front of the vehicle by the lower control arms in order to load the lower ball joint.
  1. Raise and support the vehicle.
  2. Mount and secure the J 8001 to a stand.
  3. Ensure that the J 8001 contacts the vertical surface of the wheel as close as possible to the top wheel stud.
  4. Push and pull on the TOP of the tire.
  5. Inspect the total movement indicated by the J 8001.
  6. If the measurement exceeds 0.127 mm (0.005 in), replace the wheel bearing/hub. Refer to Front Suspension .