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 MANUALSCHEVROLET2012IMPALA V6-3.6LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE PORT HVACSERVICE AND REPAIR
2012 Chevrolet Impala V6-3.6L
Service Port HVAC: Service and Repair
2012 Chevrolet Impala V6-3.6LSECTION Service and Repair
Service Ports Replacement
Special Tools
J 39037 - Charge Valve Octagon Socket
Removal Procedure
1. Remove the service port cap.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
3. Use the J 39037 - Charge Valve Octagon Socket to remove the service port.
Installation Procedure
1. Replace the O-ring. Refer to Air Conditioning O-Ring Seal Replacement Air Conditioning O-Ring Seal Replacement.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the service port valve and tighten to 11 Nm (98 lb in).
3. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
4. Leak test the A/C service port. Refer to Leak Testing Leak Testing.
5. Install the service port cap.
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.