Expansion Valve Removal/Installation

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Discharge the refrigerant from the system. (See REFRIGERANT CHARGING .)
CAUTION:
- If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
Remove the nut.
Remove the clip.
Disconnect the refrigerant pressure sensor connector.
Disconnect the engine ground.

Fig 1: Engine Ground With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Remove the bolt and disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.

Fig 2: Cooler Hose (LO), Cooler Pipe And Bolt With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Set the cooler hose (LO) and cooler pipe aside as shown in the figure while being careful not to let remaining oil in the pipes to spill.
CAUTION:
- When setting the cooler hose (LO) and cooler pipe aside, only bend the flexible part of the hose. If force is applied to areas other than the flexible hose, the pipe will bend and could be damaged.
Fig 3: Setting Cooler Hose (LO) And Cooler Pipe
Courtesy of MAZDA MOTORS CORP.
Remove the bolt.
Remove the expansion valve. Do not allow compressor oil to spill.
Install in the reverse order of removal.
Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)

Fig 4: Expansion Valve And Bolts With Torque Specifications
Courtesy of MAZDA MOTORS CORP.