Expansion Valve Removal/Installation

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

Discharge the refrigerant from the system. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
Remove the bolt.

Fig 1: Identifying Cooler Pipe Bolt With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
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.
Disconnect the cooler pipe (LO) and cooler pipe (HI) C.
Remove the bolts.

Fig 2: Removing Expansion Valve
Courtesy of MAZDA MOTORS CORP.
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 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 .)