Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2013CORVETTE V8-6.2L SCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGEXPANSION BLOCK/ORIFICE TUBESERVICE AND REPAIR
2013 Chevrolet Corvette V8-6.2L SC
Expansion Block/Orifice Tube: Service and Repair
2013 Chevrolet Corvette V8-6.2L SCSECTION Service and Repair
Air Conditioning Evaporator Thermal Expansion Valve Replacement
Special Tools
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 Refrigerant Recovery and Recharging.
2. Remove the rear evaporator line assembly. Refer to Air Conditioning Evaporator Rear Tube Replacement 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 Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.
3. Install the TXV to the evaporator core.
Caution:
Refer to Fastener Caution Fastener Caution.
4. Install the TXV to evaporator core mounting bolts and tighten to 7 Nm (62 lb in).
5. Install the rear evaporator line assembly. Refer to Air Conditioning Evaporator Rear Tube Replacement Air Conditioning Evaporator Rear Tube Replacement.
6. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
7. Leak test the fittings of the component using J 39400-A - Halogen Leak Detector.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.