GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 370869  Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Install a ratchet into the square opening of the air conditioning (A/C) belt tensioner.
  4. Rotate the A/C belt tensioner clockwise in order to relieve tension on the belt.
  5. Remove the A/C belt from the pulleys.
  6. Slowly release the tension on the A/C belt tensioner.
  7. Remove the ratchet from the A/C belt tensioner.
  8. Clean and inspect the belt surfaces of all the pulleys.

Installation Procedure


    Object Number: 370869  Size: SH
  1. Install the A/C belt around the crankshaft balancer.
  2. Install a ratchet into the square opening of the A/C drive belt tensioner.
  3. Rotate the A/C belt tensioner clockwise in order to relieve tension on the belt.
  4. Install the A/C belt over the idler pulley.
  5. Install the A/C belt around the A/C compressor pulley.
  6. Slowly release the tension on the A/C belt tensioner.
  7. Remove the ratchet from the A/C belt tensioner.
  8. Inspect the A/C belt for proper installation and alignment.
  9. Lower the vehicle.
  10. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory.