Sierra Classic 2500 4WD V8-6.0L (2007)
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.
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. Install the engine shield.
Notice: Refer to Fastener Notice in Service Precautions.
10. Install the engine shield bolts.
Tighten the bolts to 20 Nm (15 ft. lbs.).
11. Lower the vehicle.
