GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1640598  Size: SH
  1. Rotate the drive belt tensioner counterclockwise in order to release the tensioner spring tension.
  2. Remove the drive belt from under the tensioner.
  3. Remove the drive belt from around the rest of the pulleys.

Installation Procedure


    Object Number: 1640598  Size: SH
  1. Install the drive belt around all the pulleys except for the tensioner.
  2. Rotate the drive belt tensioner counterclockwise in order to release the spring tension.
  3. Install the drive belt under the tensioner.
  4. Rotate the drive belt tensioner clockwise until the tensioner contacts the belt.