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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Basic System) >> Expansion Valve Removal/Installation (Us) >> VIN Y

VIN Y

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  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 [(VIN Y) (US)] .)
  4. Detach the clip.
    Fig 1: PCM Component, Engine Ground, Clip, Nuts And Bolts With Torque Specification
    G13559149Courtesy of MAZDA MOTORS CORP.
  5. Remove the bolts.
  6. Disconnect the engine ground.
  7. Remove the nut.
  8. Set the PCM component out of the way.
  9. Disconnect the connector.
    Fig 2: Cooler Hose (LO), Cooler Pipe, Connector, Clips And Nuts With Torque Specification
    G13559150Courtesy of MAZDA MOTORS CORP.
  10. Remove the nut.
  11. Remove the clips.
  12. Remove the bolt.
    Fig 3: Cooler Hose (LO), Cooler Pipe And Bolt With Torque Specification
    G13559151Courtesy of MAZDA MOTORS CORP.
  13. 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.
  14. 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.
  15. Remove the bolts.
    Fig 4: Expansion Valve And Bolts With Torque Specification
    G13559152Courtesy of MAZDA MOTORS CORP.
  16. 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.
  17. Install in the reverse order of removal.
  18. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST (US) .)
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