GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.

  2. Object Number: 262971  Size: MH
  3. Remove the drive belt tensioner by lifting or rotating the drive belt tensioner off of the drive belt, using a 3/8-inch breaker bar (1).

  4. Object Number: 63635  Size: SH
  5. Remove the drive belt.

Installation Procedure


    Object Number: 63635  Size: SH
  1. Install the drive belt.
  2. Inspect the drive belt and the drive belt system. Refer to Drive Belt Diagnosis .
  3. Important: Ensure that the drive belt is aligned into the proper grooves of the accessory drive belt pulleys.


    Object Number: 262971  Size: MH
  4. Install the drive belt under the drive belt tensioner pulley by lifting or rotating the drive belt tensioner, using a 3/8-inch breaker bar (1).

  5. Object Number: 190590  Size: MH
  6. Ensure that the drive belt is properly routed.
  7. Inspect the drive belt length scale on the drive belt tensioner for the proper installed length. If the drive belt length scale does not indicate the proper installed length, refer to Drive Belt Tensioner Diagnosis.
  8. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.