Expansion Valve Removal/Installation

WARNING: This page is about a different car, the 2017 Mazda 3. 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 .)
Discharge the refrigerant from the system. (See REFRIGERANT CHARGING .)
CAUTION:
- If moisture or foreign matter 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 matter out of the cycle.
Remove the nut.

Fig 1: Removing Cooler Hose With Nut
Courtesy of MAZDA MOTORS CORP.
Remove the clip.
Remove the bolt and disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.

Fig 2: Removing Cooler Hose With Clip
Courtesy of MAZDA MOTORS CORP.
Remove the bolts.

Fig 3: Removing Cooler Hose With Bolts
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 .)