GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the surge tank from the surge tank bracket.
  3. Remove the suction hose and liquid line nut from the thermal expansion valve (TXV).
  4. Remove the suction hose and liquid line from the TXV.

  5. Object Number: 1201931  Size: SH
  6. Remove the line clip from the dash.

  7. Object Number: 1202354  Size: SH
  8. Remove the refrigerant filter from the line.
  9. Note: Cap all A/C components immediately to prevent system contamination.

  10. Remove and discard the sealing washers.

Installation Procedure

  1. Uncap A/C components.
  2. Install new sealing washers. Refer to Sealing Washer Replacement.

  3. Object Number: 1202354  Size: SH
  4. Install the refrigerant filter into the line.
  5. Install the line clip to the dash.

  6. Object Number: 1201931  Size: SH
  7. Install the suction hose and liquid line to the TXV.
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. Install the suction hose and liquid line nut to the TXV and tighten the nut to 20 N·m (15 lb ft).
  10. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  11. Leak test the fittings using the J 39400-A .
  12. Install the surge tank to the surge tank bracket.