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 MANUALSCHEVROLET2010HHR L4-2.2LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE PORT HVACSERVICE AND REPAIR
2010 Chevrolet HHR L4-2.2L
Service Port HVAC: Service and Repair
2010 Chevrolet HHR L4-2.2LSECTION Service and Repair
Air Conditioning Refrigerant Service Valve Core Replacement
Special Tools
* J 39400-A Halogen Leak Detector
* J 46246 Valve Core Tool
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
2. Remove the service port valve core using J 46246 or equivalent.
Installation Procedure
Caution: Refer to Fastener Caution (Fastener Caution).
1. Install the service port valve core using J 46246 or equivalent.
Tighten the service port valve core to 2.5 Nm (22 lb in).
2. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
3. Leak test the fittings using the J 39400-A .
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.