Skylark L4-138 2.3L SOHC VIN 3 MFI QUAD 4 (1992)
Expansion Valve: Service and Repair
Thermal Expansion Valve - Installed View
TOOLS REQUIRED (or equivalents)
^
J 39500, A/C refrigerant recovery and recycling station.
REMOVE OR DISCONNECT
1. Recover refrigerant.
2. Negative battery cable.
3. Right side under dash insulator panel.
4. Electrical junction box at heater core cover.
5. Left side insulator panel.
6. Steering column filler.
7. Partially remove shift console, if equipped, to gain access to floor duct and heater core cover.
8. Floor duct.
9. Heater core cover.
10. Heater core shroud and straps.
CAUTION: The heater core will be suspended by the heater core pipes. Do not apply any downward pressure on the core, or damage may occur
to the heater core pipes.
11. Insulation tape from valve fittings.
12. Thermal expansion valve (TXV).
INSTALL OR CONNECT
Clean all insulation tape from evaporator fittings to insure correct seating/torque of "0" rings.
1. Thermal expansion valve (including installation of new insulation wrap).
2. Heater core shroud and straps.
3. Heater core cover.
NOTE: The fittings on the TXV should be leak checked before finishing re-assembly. This can be done without running vehicle.
