GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 374176  Size: SH
  1. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.

  2. Object Number: 240478  Size: SH
  3. Remove the drive belt from the pulleys.
  4. Slowly release the tension on the tensioner arm.

Installation Procedure


    Object Number: 374176  Size: SH
  1. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.

  2. Object Number: 240478  Size: SH

    Important: Refer to the Underhood Label for the proper drive belt routing graphic.

  3. Install the belt over all the pulleys except the tensioner arm.
  4. Slowly release the tension on the tensioner arm.
  5. Confirm that the drive is properly seated in all the pulleys and is properly routed before starting the vehicle.