Chevrolet Silverado / GMC Sierra. Manual — part 2318

Fig. 28: A/C Belt Tensioner
Courtesy of GENERAL MOTORS CORP.

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the engine protection shield.

3. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.

4. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.

5. Remove the A/C belt from the A/C compressor.

6. Slowly release the tension on the A/C belt tensioner.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 29: Exploded View Of Compressor Clutch Plate Assembly
Courtesy of GENERAL MOTORS CORP.

7. Remove the clutch plate retaining bolt (1).

8. Remove the clutch plate assembly (2).

9. Remove the clutch hub/bearing snap ring (3).

10. Remove the clutch hub/bearing assembly (4).

11. Remove the snap ring (5) from the clutch coil (6).

12. Remove the clutch coil (6) from the A/C compressor (7).

Installation Procedure

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 30: Exploded View Of Compressor Clutch Plate Assembly
Courtesy of GENERAL MOTORS CORP.

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.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado