Silverado Classic 1500 2WD V6-4.3L (2007)
3. Remove the air cleaner adapter nut.
4. In order to remove the air cleaner outlet duct, pivot the duct upward until the hinge clip releases from the lip on the throttle body.
5. Remove the cooling fan.
6. Remove the drive belt.
7. Remove the wiring harness bracket bolt.
8. Remove the heater hose bracket bolt.
9. Remove the generator.
10. Remove the drive belt tensioner.
11. Remove the drive belt idler pulley.