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Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement|Page 9850 > < Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement
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Expansion Block/Orifice Tube: Service and Repair
Air Conditioning Evaporator Thermal Expansion Valve Replacement

Air Conditioning Evaporator Thermal Expansion Valve Replacement

Special Tools

J 39400-A  Halogen Leak Detector

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging   (See: Service and Repair/Procedures/Refrigerant Recovery and

Recharging).

2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement   (See: Engine, Cooling and Exhaust/Engine/Tune-up and

Engine Performance Checks/Air Cleaner Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair).

3. If equipped, remove the windshield washer solvent heater. Refer to Windshield Washer Solvent Heater Replacement (Traverse)   (See: Wiper and

Washer Systems/Washer Fluid Heater/Service and Repair)Windshield Washer Solvent Heater Replacement (Acadia, Enclave, OUTLOOK)   (See:
Wiper and Washer Systems/Washer Fluid Heater/Service and Repair).

4. Remove the evaporator thermal expansion valve (TXV) tube from the TXV.
5. Remove and discard the seal washers.

Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement|Page 9850 > < Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement