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Courtesy of GENERAL MOTORS CORP. 6. Install the evaporator tube nut to the evaporator. Tighten: Tighten the nut to 16 N.m (12 lb ft). 7. Install the surge tank hold down nut and bolt and position aside. 8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement . 9. Install the upper radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement . 10. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging. 11. Leak test the fittings of the components using the J 39400-A . See Special Tools. EXPANSION (ORIFICE) TUBE REPLACEMENT Fig. 59: View Of Orifice Tube Assembly & Components Callout Component Name Preliminary Procedure 1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. 2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement . 3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement . Orifice Tube Fitting
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
AIR CONDITIONING (A/C) LOW PRESSURE SWITCH REPLACEMENT (NON-HP2) Removal Procedure 1. Disconnect the electrical connector from the A/C low pressure switch. 1 Tighten: 9 N.m (80 lb in) NOTE: Refer to Fastener Notice . 2 O-ring Seal 3 Orifice Tube Assembly
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 60: A/C Low Pressure Switch 2. Remove the A/C low pressure switch from the accumulator. 3. Remove the O-ring and discard. Installation Procedure
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Install the new O-ring seal to the switch. Refer to O-Ring Replacement. Fig. 61: A/C Low Pressure Switch 2. Install the A/C low pressure switch to the accumulator. NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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