GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 177620  Size: SH
  1. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
  2. Remove the drive belt.
  3. Slowly release the tension on the tensioner arm.

Installation Procedure

  1. Route the belt over all the pulleys except the tensioner arm.

  2. Object Number: 43858  Size: SH
  3. Observe belt routing for vehicles without air conditioning.

  4. Object Number: 43859  Size: SH
  5. Observe belt routing for vehicles with air conditioning.

  6. Object Number: 177622  Size: SH
  7. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
  8. Install the belt over the tensioner arm pulley.
  9. Slowly release the tension on the tensioner arm.
  10. Confirm that the belt is properly routed.