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Expansion Valve Removal/Installation (Us): SKYACTIV-G

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING (US) .)
  3. Remove the plug hole plate (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G (VIN L (US))] .) (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .)
  4. Disconnect the refrigerant pressure sensor connector.
    Fig 1: Refrigerant Pressure Sensor Nut With Torque Specification
    G13177391Courtesy of MAZDA MOTORS CORP.
  5. Remove the nut.
  6. Remove the clips.
  7. Remove the bolt.
    Fig 2: Cooler Hose (LO) And Cooler Pipe Bolt With Torque Specification
    G13177392Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.
    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.
  9. Set the cooler hose (LO) and cooler pipe aside 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.
  10. Remove the bolts.
    Fig 3: Expansion Valve Bolts With Torque Specification
    G13559148Courtesy of MAZDA MOTORS CORP.
  11. Remove the expansion valve. Do not allow compressor oil to spill.
    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.
  12. Install in the reverse order of removal.
  13. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST (US) .)
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