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Home >> Chevrolet >> 2009 >> Cobalt L4-2.2L >> Repair and Diagnosis >> Heating and Air Conditioning >> Expansion Block/Orifice Tube >> Service and Repair >> Air Conditioning Evaporator Thermal Expansion Valve Screen Replacement
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Air Conditioning Evaporator Thermal Expansion Valve Screen Replacement




Air Conditioning Evaporator Thermal Expansion Valve Screen Replacement

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure

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




2. Remove the condenser tube and evaporator hose from the thermal expansion valve (TXV).
3. Remove and discard the seal washer.




4. Remove the air conditioning evaporator thermal expansion valve screen.

Installation Procedure




1. Install the air conditioning evaporator thermal expansion valve screen.




2. Install new sealing washers on the condenser tube and evaporator hose fittings. Refer to Sealing Washer Replacement (Service and Repair).
3. Install the condenser tube and evaporator hose to the TXV.

Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the TXV nut.

Tighten the nut to 20 Nm (15 lb ft).

5. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
6. Leak test the fittings using the J 39400-A .

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