Expansion Valve Removal/Installation

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (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.

Fig 1: Identifying Expansion Valve Related Components With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the clip.
Disconnect the refrigerant pressure sensor connector.
Disconnect the engine ground.
Remove the bolt and disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.

Fig 2: Identifying Cooler Hose (Low), Cooler Pipe And Bolt With Torque Specification
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.

Fig 3: Setting Cooler Hose (Low) And Cooler Pipe
Courtesy of MAZDA MOTORS CORP.
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.
Remove the bolts.

Fig 4: Identifying Expansion Valve And Bolts With Torque Specification
Courtesy of MAZDA MOTORS CORP.
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 .)