Service Port HVAC: Service and Repair

2009 Chevrolet Traverse FWD V6-3.6LSECTION Service and Repair



Service Ports Replacement

Tools Required
* J 39400-A Halogen Leak Detector
* J 46246 Valve Core Removal Tool

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).




2. Use J 46246 or equivalent to remove the valve core.

Installation Procedure




1. Use J 46246 or equivalent to install and tighten the valve core.
2. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).

Important: To prevent loss of refrigerant charge, tighten the cap. Replace the cap if the seal is missing or damaged.


3. Test the affected A/C fittings for leaks using 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.