GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 631112  Size: SH
  1. Rotate the drive belt tensioner using a 15-mm box end wrench on the pulley nut.
  2. Remove the drive belt.

Installation Procedure

Important: After the new drive belt is installed, make sure that the mark on the drive belt tensioner is within range, as indicated on the tensioner housing.


    Object Number: 631112  Size: SH
  1. Lift or rotate the drive belt tensioner using a 15-mm box end wrench on the pulley nut.
  2. Install the drive belt.
  3. Make sure the drive belt is properly routed.
  4. Make sure the drive belt tensioner is operating properly.