Expansion Valve: Service and Repair

Expansion Valve

REMOVAL
1. Disconnect the ground cable from battery.
2. Using the refrigerant recovery system, discharge refrigerant.
3. Remove the connector and bolts, and remove the high-pressure hose and AC pipe from the expansion valve.






4. Remove the bolts, then remove the expansion valve.

Preparation tool: Hexagon wrench (4 mm)






INSTALLATION

CAUTION:
- Do not start the engine before charging refrigerant.
- If the engine is started with no refrigerant charge, replace the compressor.
- Replace the gasket and O-rings with new parts, and then apply compressor oil.

1. Install each part in the reverse order of removal.
2. Charge refrigerant.

Tightening torque:
Tightening torque:
T1: 5 N.m (0.51 kgf-m, 3.7 ft-lb)
T2: 7.5 N.m (0.76 kgf-m, 5.5 kgf-m)
T3: 10 N.m (1.02 kgf-m, 7.4 kgf-m)