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Refrigerant Pressure Sensor Removal/Installation (Auto A/C): Notes

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
  3. Disconnect the refrigerant pressure sensor connector.
    G11431385Courtesy of MAZDA MOTORS CORP.
  4. Wrap a cloth around the pipe and secure it using pliers.
    G11431386Courtesy of MAZDA MOTORS CORP.
  5. Loosen the refrigerant pressure sensor.

    Tightening torque 

    10-11 N.m {102-112 kgf.cm, 89-97 in.lbf}

  6. Remove the refrigerant pressure sensor.
    G11431387Courtesy 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.
  7. Install in the reverse order of removal. (See REFRIGERANT PRESSURE SENSOR INSTALLATION NOTE .)
  8. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)