Cooler expansion valve
Components Removal / installation
AIR CONDITIONER
COOLER EXPANSION VALVE
EXPLODED VIEW
REMOVAL
CAUTION:
When removing the cooler expansion valve individually, be sure to replace the mounting bolts of the cooler expansion valve and the suction hose SUB-ASSY with new ones.
1. Discharge of refrigerant HFC-134a (R134a) or HFO-1234yf (R1234yf) (Refer to 
)
)2. Disconnection of suction hose SUB-ASSY (Refer to )
)3. Disconnection of air conditioner tube & accessory ASSY (Refer to )
)
4. Removal of cooler expansion valve
INSTALLATION
CAUTION:
When removing the cooler expansion valve individually, be sure to replace the mounting bolts of the cooler expansion valve and the suction hose SUB-ASSY with new ones.
1. Installation of cooler expansion valve
(1) Apply sufficient amount of compressor oil to the fitting area between 2 new O-rings and the new cooler expansion valve.
NOTE:
HFC-134a (R134a): ND-OIL8
HFO-1234yf (R1234yf): ND-OIL12:
(2) Install the 2 O-rings on cooler evaporator NO.1.
CAUTION:
Do not allow the O-ring and the O-ring seal to have deposit of dirt.
(3) Install a new cooler expansion valve on cooler evaporator NO.1.
(4) Using hexagon wrench 4, install a new cooler expansion valve with the 2 hexagon bolts.
Standard value:
Standard value:
Tightening torque=3.5N·m
{
36kgf·cm}
{2.6ft·lbf}
2. Connection of air conditioner tube & accessory ASSY (Refer to)
)3. Connection of suction hose SUB-ASSY (Refer to )
)4. Charging refrigerant HFC-134a (R134a) or HFO-1234yf (R1234yf) (Refer to )
)5. Engine warm-up (Refer to )
)6. Inspection of refrigerant gas leak (Refer to )
)