Expansion Valve Removal/Installation

WARNING: This page is about a different car, the 2013 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] ).
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: Refrigerant Pressure Sensor Connector, Engine Ground, Nut And Clip With Torque Specifications
Remove the bolt and disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.

Fig 2: Cooler Hose (LO) And Cooler Pipe With Mounting Bolts And Torque Specifications
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
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 With Mounting Bolts And Torque Specifications