Expansion Valve: Service and Repair

Removal Procedure




1. Disconnect the negative battery cable.
2. Recover the refrigerant.
3. Remove the instrument panel carrier assembly.
4. Remove the heater/air distribution case assembly.
5. Remove the evaporator.




6. Remove the expansion valve connector block retaining bolts.
7. Remove the expansion valve.




8. Discard the O-rings.

Installation Procedure




1. Clean the O-ring surface areas of dirt or contamination.
2. Install new O-rings on the evaporator tubes.
3. Install a new expansion valve onto the evaporator tubes.
4. Install the expansion valve retaining bolts.

Tighten
Tighten the expansion valve retaining bolts to 12 Nm (106 lb.in).

5. Install the evaporator into the heater/air distribution case.




6. Install the heater/air distribution case assembly.
7. Install the instrument panel carrier assembly.
8. Connect the negative battery cable.
9. Evacuate and recharge the system.