Corvette V8-6.2L (2008)
Expansion Valve: Service and Repair
Thermal Expansion Valve Replacement
Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging (See: Service and
Repair/Procedures/Refrigerant Recovery and Recharging) .
2. Remove the rear evaporator line assembly. Refer to Air Conditioning Evaporator Rear Tube Replacement (See: Hose/Line HVAC/Service and
Repair/Air Conditioning Evaporator Rear Tube Replacement) .
3. Remove the thermal expansion valve (TXV) to evaporator core mounting bolts.
4. Disconnect the TXV from the evaporator and remove from the vehicle.
5. Remove and discard the evaporator core seal washers.
6. Cap or tape off the evaporator core.
Installation Procedure
1. Remove the cap or tape from the evaporator core.
2. Install new seal washers to the evaporator core. Refer to Sealing Washer Replacement (See: Coupler HVAC/A/C Coupler O-ring/Service and
Repair/Sealing Washer Replacement) .