Tools Required
J 39400-A
Halogen Leak Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
- Remove the left lower quarter trim panel. Refer to
Rear Quarter Trim Panel Replacement - Left Side
.
- Remove the foam wrap from the auxiliary thermal expansion valve (TXV).
- Remove the auxiliary TXV line clamp screws.
- Remove the auxiliary TXV line clamp from the HVAC module assembly.
- Remove the bolt from the auxiliary TXV line block fitting.
- Remove the A/C lines from the auxiliary TXV.
- Remove and discard the sealing washers.
Important: Cap or tape the open A/C refrigerant lines immediately to prevent contamination of the refrigerant system.
- Cap or tape the A/C lines.
- Remove the auxiliary TXV to evaporator core bolts.
- Remove the auxiliary TXV from the evaporator core.
- Cap or tape off the evaporator core lines.
- Remove and discard the sealing washers.
Installation Procedure
- Remove the cap or tape from the evaporator lines.
- Install the new sealing washers onto the evaporator lines. Refer to
Sealing Washer Replacement
.
- Install the auxiliary TXV to the evaporator core.
Notice: Refer to Fastener Notice in the Preface section.
- Install the auxiliary TXV to the evaporator core mounting bolts.
Tighten
Tighten the bolts to 3.5 N·m (31 lb in).
- Remove the cap or tape from the A/C lines.
- Install the new sealing washers onto the A/C line. Refer to
Sealing Washer Replacement
.
- Install the A/C lines to the auxiliary TXV.
- Install the auxiliary TXV line block fitting retaining bolt.
Tighten
Tighten the nut to 11 N·m (97 lb in).
- Install the auxiliary TXV line clamp to the HVAC module assembly.
- Install the auxiliary TXV line clamp screw.
Tighten
Tighten the screw to 1.6 N·m (14 lb in).
- Install a new foam wrap to the auxiliary TXV.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings of the component using
J 39400-A
.
- Install the left lower quarter trim panel. Refer to
Rear Quarter Trim Panel Replacement - Left Side
.