GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1285186  Size: SH
  1. Using a ½ drive breaker bar or ratchet, rotate the drive belt tensioner clockwise in order to release tension on the drive belt.
  2. Remove the drive belt from the generator pulley.
  3. Slowly release the drive belt tensioner.
  4. Remove the drive belt from the water pump pulley and crankshaft balancer.

Installation Procedure


    Object Number: 1285186  Size: SH
  1. Install the drive belt onto the crankshaft balancer and water pump pulley.
  2. Using a ½ drive breaker bar or ratchet, rotate the drive belt tensioner clockwise.
  3. Install the drive belt to the generator.
  4. Slowly release the drive belt tensioner.
  5. Important: Ensure the drive belt is properly aligned and seated into the grooves of the accessory drive pulleys.