GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 349061  Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the engine shield bolts.
  4. Remove the engine shield.

  5. Object Number: 370869  Size: SH
  6. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
  7. Rotate the A/C belt tensioner clockwise in order to relieve tension on the belt.
  8. Remove the A/C belt from the pulleys.
  9. Slowly release the tension on the A/C belt tensioner.
  10. Remove the ratchet from the A/C belt tensioner.
  11. 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 A/C drive belt tensioner adapter opening.
  3. Rotate the A/C belt tensioner clockwise in order to relieve tension on the tensioner.
  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. Object Number: 349061  Size: SH
  10. Install the engine shield.
  11. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  12. Install the engine shield bolts.
  13. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).

  14. Lower the vehicle.
  15. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory .