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Chevrolet Silverado / GMC Sierra. 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
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