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 MANUALSCHEVROLET2012CRUZE L4-1.8LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGEXPANSION BLOCK/ORIFICE TUBESERVICE AND REPAIR
2012 Chevrolet Cruze L4-1.8L
Expansion Block/Orifice Tube: Service and Repair
2012 Chevrolet Cruze L4-1.8LSECTION Service and Repair
Air Conditioning Evaporator Thermal Expansion Valve Replacement (LUJ and LUW)
Special Tools
GE 39400-A - Halogen Leak Detector
For equivalent regional tools, refer to Special Tools Tools and Equipment.
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
2. Unclip brake pipes.
3. Remove the air conditioning evaporator hose bolt from the air conditioning evaporator thermal expansion valve.
4. Remove the air conditioning evaporator hose (1) from air conditioning evaporator thermal expansion valve.
5. Remove the 2 air conditioning evaporator thermal expansion valve bolts (2).
6. Remove the air conditioning evaporator thermal expansion valve (3).
7. Remove and DISCARD the seals from the air conditioning evaporator hose and from the evaporator core pipes.
Installation Procedure
1. Install NEW system seals. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.
Caution: Refer to Fastener Caution Fastener Caution.
2. Install air conditioning evaporator thermal expansion valve (3) and the 2 air conditioning evaporator thermal expansion valve bolts (2) and tighten to 15 Nm (11 lb ft).
3. Install air conditioning evaporator hose (1) to air conditioning evaporator thermal expansion valve (3).
Install and tighten hose bolt to 19 Nm (14 lb ft).
4. Install brake pipes.
5. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
6. Leak test the fittings using the GE 39400-A - 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.