Sierra Classic 2500 2WD V8-6.6L DSL Turbo (2007)
Compressor Clutch Hub: Service and Repair
Compressor Clutch Plate/Hub Assembly Replacement (4.3L, 6.6L)
Removal Procedure
1. Install a ratchet into the air conditioning belt tensioner adapter opening.
2. Rotate the belt tensioner counterclockwise in order to relieve the tension on the belt.
3. Remove the belt from the air conditioning (A/C) compressor.
4. Slowly release the tension on the A/C belt tensioner.
5. Remove the clutch plate retaining bolt (1).
6. Remove the clutch plate assembly (2).
7. Remove the clutch hub/bearing snap ring (3).
8. Remove the clutch hub/bearing assembly (4).
9. Remove the snap ring (5) from the clutch coil (6).
10. Remove the clutch coil (6) from the A/C compressor (7).
Installation Procedure
1. Install the clutch coil (6) to the A/C compressor (7).
2. Install the snap ring (5) to the clutch coil (6).
3. Install the clutch hub/bearing assembly (4).
4. Install the clutch hub/bearing snap ring (3).
5. Place a small amount of oil on the thinnest air gap shim and place it inside the clutch plate.