Expansion Valve: Service and Repair
REPLACEMENT1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
2. DISCONNECT LIQUID TUBE AND SUCTION HOSE FROM A/C UNIT
3. REMOVE EXPANSION VALVE
Using a hexagon wrench (5.0 mm, 0.20 in.), remove the 2 bolts and separate the expansion valve and evaporator.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
4. INSTALL NEW EXPANSION VALVE
a. Lubricate 2 new O-rings with compressor oil and instal them to the expansion valve.
b. Install the expansion valve.
c. Using a hexagon wrench (5.0 mm, 0.20 in.), install the 2 bolts.
Torque: 3.4 N.m (35 kgf.cm, 30 in.lbf)
5. CONNECT LIQUID TUBE AND SUCTION HOSE
6. CHARGE SYSTEM WITH REFRIGERANT
a. Evacuate air from refrigeration system.
b. Charge system with refrigerant and inspect for leakage of refrigerant.
Specified amount: 460 ± 30 g (16.23 ± 1.06 oz.)