Operation CHARM: Car repair manuals for everyone.

Expansion Valve: Service and Repair

Removal and Installation of Expansion Valve

REMOVAL
1. Remove evaporator. Refer to "Removal and Installation of Evaporator".




2. Remove mounting bolts, and then remove expansion valve.

CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace O-rings with new ones, then apply compressor oil to them when installing them.
- The O-rings are different from low-pressure pipe 1 (high-pressure pipe 1) and low-pressure pipe 2 (high-pressure pipe 2).
- When recharging refrigerant, check for leaks.

Bolt mounting expansion valve
Tightening torque: 3.9 Nm (0.40 kg-m, 35 in-lb)