GM Service Manual Online
For 1990-2009 cars only

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.

  3. Object Number: 301209  Size: SH
  4. Use the J 39037 to remove the service port.

Installation Procedure

  1. Replace the O-ring. Refer to O-Ring Replacement.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 301209  Size: SH
  3. Install the service port valve.
  4. Tighten
    Tighten the valve to 11 N·m (98 lb in).

  5. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging.
  6. Leak test the A/C service port. Refer to Leak Testing.
  7. Install the service port cap.