GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
  2. Remove the right wheelhouse panel. Refer to Wheelhouse Panel Replacement.

  3. Object Number: 769765  Size: SH
  4. Remove the evaporator outlet tube retaining nut (4) from the evaporator.
  5. Remove the evaporator outlet tube retaining nut (5) from the accumulator.
  6. Remove the nut (2) from the accumulator bracket.
  7. Remove the evaporator outlet tube.
  8. Remove the sealing washers.

Installation Procedure

  1. Install the new sealing washers. Refer to Sealing Washer Replacement.

  2. Object Number: 769765  Size: SH
  3. Install the evaporator outlet tube to the accumulator.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the evaporator outlet tube retaining nut to the accumulator.
  6. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  7. Install the evaporator outlet tube to the evaporator.
  8. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  9. Install the evaporator outlet tube retaining nut.
  10. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  11. Install the nut (2) to the accumulator bracket.
  12. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
  14. Install the right wheelhouse panel. Refer to Wheelhouse Panel Replacement.
  15. Leak test the fittings of the component using the J 39400-A .