Expansion Valve: Service and Repair
Expansion ValveREMOVAL
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)