Chevrolet Silverado / GMC Sierra. Service manual — part 2315

3. Install the A/C compressor mounting bolts.

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

4. Connect the electrical connection.

Fig. 15: A/C Discharge & Suction Hoses (LB7)
Courtesy of GENERAL MOTORS CORP.

5. Install the A/C discharge hose (1) to the compressor (3) using new sealing washers.

6. Install the A/C discharge hose bolt (2) to the A/C compressor (3).

2008 Chevrolet Silverado 1500

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

Silverado

Tighten: Tighten the bolt to 16 N.m (12 lb ft).

Fig. 16: View Of A/C Suction Hose (LB7)
Courtesy of GENERAL MOTORS CORP.

7. Install the A/C suction hose (1) to the compressor (3) using new sealing washers.

8. Install the A/C suction hose bolt (2) to the A/C compressor (3).

Tighten: Tighten the bolt to 16 N.m (12 lb ft).

9. Install the drive belt. Refer to Drive Belt Replacement .

10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.

11. Leak test the fittings of the component using the J 39400-A . See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado

AIR CONDITIONING COMPRESSOR REPLACEMENT (LU3)

Tools Required

J 39400-A Halogen Leak Detector. See Special Tools.

Removal Procedure

Fig. 17: View Of Drive Belt Tensioner
Courtesy of GENERAL MOTORS CORP.

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

2. Install a ratchet into the belt tensioner adapter opening.

3. Rotate the belt tensioner counterclockwise in order to relieve the tension on the belt.

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

2008 Chevrolet Silverado 1500

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

Silverado

5. Slowly release the tension on the belt tensioner.

Fig. 18: View Of Discharge & Suction Hose Bolt
Courtesy of GENERAL MOTORS CORP.

6. Remove the discharge and suction hose bolt from the A/C compressor.

7. Remove the discharge and suction hose from the A/C compressor.

8. Discard the sealing washers. Cap all of the openings.

9. Disconnect the electrical connections.

2008 Chevrolet Silverado 1500

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

Silverado