Chevrolet Silverado / GMC Sierra. Service manual — part 2322

Fig. 40: Disassembling/Reassembling A/C Line Fittings
Courtesy of GENERAL MOTORS CORP.

7. Assemble the A/C components.

Refer to the appropriate repair procedure.

For compression style fittings use a back up wrench on the fitting (2) and tighten the
fitting nut (1) to specification.

For banjo style fittings install the bolt retaining the banjo type fitting and tighten to

2008 Chevrolet Silverado 1500

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

Silverado

specification.

DISCHARGE HOSE REPLACEMENT (LY2, LMF, L76 AND L92)

Tools Required

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

Removal Procedure

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

Fig. 41: Identifying Suction/Discharge Hoses To A/C Compressor
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

Silverado

2. Remove the discharge hose mounting bolt (2) from the A/C compressor.

3. Remove the discharge hose (1) from the A/C compressor.

4. Remove the upper radiator baffle. Refer to Radiator Air Upper Baffle and Deflector

Replacement .

Fig. 42: View Of Discharge Hose At Condenser
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

Silverado

5. Remove the discharge hose nut from the condenser.

6. Remove the discharge hose from the condenser.

7. Disconnect the electrical connector from the A/C recirculation switch.

8. Remove the discharge hose from the vehicle.

9. Discard all of the used sealing washers. Cap the system openings.

Installation Procedure

Fig. 43: Identifying Suction/Discharge Hoses To A/C Compressor
Courtesy of GENERAL MOTORS CORP.

1. Install the discharge hose (1) to the vehicle.

2. Connect the electrical connector to the A/C recirculation switch.

2008 Chevrolet Silverado 1500

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

Silverado