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 intake boot.

CAUTION: Move aside the intake boot to perform the operation without disconnecting the PCV hose.

4. Remove the expansion valve - cooling.
1. Remove the bolt, and detach the hose - pressure suction and the pipe - evaporator cooling.

2. Remove the bolt, and remove the expansion valve - cooling.

PREPARATION TOOL:
Hexagon wrench: 4 mm (0.16 in)

INSTALLATION

CAUTION: Replace the O-rings with new parts, and then apply compressor oil.

1. Install each part in the reverse order of removal.

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

2. Charge refrigerant.