Air Conditioning Evaporator Thermal Expansion Valve Replacement 1st Design
Tools Required
J 39400-A
Halogen Leak Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
- Remove the condenser tube and evaporator hose from the thermal expansion valve (TXV).
- Remove and discard the seal washers.
- Remove the TXV bolts.
- Remove the TXV.
- Remove and discard the seal washers.
Installation Procedure
- Install new seal washers to the evaporator core fittings. Refer to
Sealing Washer Replacement
.
- Install the TXV.
Notice: Refer to Fastener Notice in the Preface section.
- Install the TXV bolts.
Tighten
Tighten the bolts to 7 N·m (62 lb in).
- Install new sealing washers on the condenser tube and evaporator hose fittings. Refer to
Sealing Washer Replacement
.
- Install the condenser tube and evaporator hose to the TXV.
- Install the TXV nut.
Tighten
Tighten the nut to 20 N·m (15 lb ft).
- Evacuate and charge the refrigerant system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings using the
J 39400-A
.
Air Conditioning Evaporator Thermal Expansion Valve Replacement 2nd Design
Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging .
- Remove the condenser tube and evaporator hose from the thermal expansion valve (TXV).
- Remove and discard the seal washers.
- Remove the TXV bolts.
- Remove the TXV.
- Remove and discard the seal washers.
Installation Procedure
- Install new seal washers to the evaporator core fittings. Refer to
Sealing Washer Replacement .
- Install the TXV.
Notice: Refer to Fastener Notice in the Preface section.
- Install the TXV bolts.
Tighten
Tighten the bolts to 7 N·m (62 lb in).
- Install new sealing washers on the condenser tube and evaporator hose fittings. Refer to
Sealing Washer Replacement .
- Install the condenser tube and evaporator hose to the TXV.
- Install the TXV nut.
Tighten
Tighten the nut to 20 N·m (15 lb ft).
- Evacuate and charge the refrigerant system. Refer to
Refrigerant Recovery and Recharging .
- Leak test the fittings using the
J 39400-A .