Sierra 3500 2WD V8-6.0L VIN U (2004)
Drive Belt: Service and Repair
Air Conditioning
Drive Belt Replacement - Air Conditioning
Removal Procedure
1. Remove the accessory drive belt.
2. Raise and suitably support the vehicle.
3. Remove the engine shield bolts.
4. Remove the engine shield.
5. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.
6. Rotate the A/C belt tensioner clockwise in order to relieve tension on the belt.
7. Remove the A/C belt from the pulleys.
8. Slowly release the tension on the A/C belt tensioner.
9. Remove the ratchet from the A/C belt tensioner.
10. Clean and inspect the belt surfaces of all the pulleys.
Installation Procedure
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.