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 MANUALSCHEVROLET2007IMPALA V6-3.9LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE PORT HVACSERVICE AND REPAIR
2007 Chevrolet Impala V6-3.9L
Service Port HVAC: Service and Repair
2007 Chevrolet Impala V6-3.9LSECTION Service and Repair
Service Ports Replacement
Tools Required
J 39037 Charge Valve Octagon Socket
Removal Procedure
1. Remove the service port cap.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
3. Use the J 39037 to remove the service port.
Installation Procedure
1. Replace the O-ring.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the service port valve.
Tighten the valve to 11 N.m (98 lb in).
3. Evacuate and charge the system. Refer to 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.