GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 651861  Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
  2. Install a breaker bar with hex-head socket to the air conditioning (A/C) drive belt tensioner bolt.
  3. Rotate the A/C drive belt tensioner clockwise in order to relieve tension on the drive belt.
  4. Remove the A/C drive belt from the pulleys.
  5. Slowly release tension on the A/C drive belt tensioner.
  6. Remove the breaker bar and socket from the A/C drive belt tensioner bolt.
  7. Clean and inspect the drive belt surfaces of the pulleys.

Installation Procedure


    Object Number: 651861  Size: SH
  1. Install the A/C drive belt around the crankshaft balancer.
  2. Install a breaker bar with hex-head socket to the A/C drive belt tensioner bolt.
  3. Rotate the A/C drive belt tensioner clockwise in order to relieve tension on drive belt tensioner.
  4. Install the A/C drive belt under the idler pulley.
  5. Install the A/C drive belt over the A/C compressor pulley.
  6. Slowly release tension on the A/C belt tensioner.
  7. Remove the breaker bar and socket from the A/C drive belt tensioner bolt.
  8. Inspect the A/C drive belt for correct alignment.
  9. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory .