GM Service Manual Online
For 1990-2009 cars only

    Important: Replace or repair any component that has wear, damage or any other abnormal condition found through inspection.

  1. Inspect for proper fit of the shaft to pulley center to pulley.
  2. Inspect the housing for cracks or burrs.
  3. Inspect the shaft for cracks, burrs or pitting.
  4. Replace as necessary.