GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove right headlamp assembly. Refer to Headlamp Capsule Replacement .
  3. Remove the fascia grille. Refer to Fascia Grille Replacement .

  4. Object Number: 1861638  Size: SH
  5. Remove the liquid line bolt from the A/C condenser (1).
  6. Disconnect the liquid line from the A/C condenser (2).

  7. Object Number: 1861639  Size: SH
  8. Remove the liquid line to auxiliary tube nut (1).

  9. Object Number: 1861640  Size: SH
  10. Disconnect the liquid line attaching nut (1) and evaporator hose/tube from the TXV at plenum panel.

  11. Object Number: 1861641  Size: SH
  12. Remove the attaching liquid line clamp nuts along right inner frame rail and plenum panel (1).
  13. Remove the liquid line bracket bolt at right side of upper tie bar support (2).
  14. Remove the liquid line.
  15. Remove and discard the discharge line sealing washer.

Installation Procedure


    Object Number: 1861640  Size: SH
  1. Install new sealing washers to the liquid line (2). Refer to Sealing Washer Replacement .
  2. Connect the liquid line and evaporator hose/tube (2) to the TXV at plenum panel and install attaching nuts (1).
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the liquid line to TXV nut (1).
  5. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1861639  Size: SH
  6. Connect the liquid line to the auxiliary evaporator tube.
  7. Install the liquid line nut (1).
  8. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1861638  Size: SH
  9. Install the liquid line to the condenser (2).
  10. Install the liquid line nut (1).
  11. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1861641  Size: SH
  12. Install liquid line bracket bolt to upper tie bar support (2).
  13. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  14. Install the liquid line bracket nuts along frame rail and plenum panel (1).
  15. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  16. Install the right headlamp assembly. Refer to Headlamp Capsule Replacement
  17. Install the fascia grille. Refer to Fascia Grille Replacement .
  18. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  19. Leak test the fittings of the component using J 39400-A .