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

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
Disconnect the refrigerant pressure sensor connector.

Fig 1: Disconnecting Refrigerant Pressure Sensor Connector
Courtesy of MAZDA MOTORS CORP.
Loosen the refrigerant pressure sensor using two spanners.

Fig 2: Loosening Refrigerant Pressure Sensor Using Spanners
Courtesy of MAZDA MOTORS CORP.

Tightening torque

10-11 N.m {102-112 kgf.cm, 89-97 in.lbf}
Remove the refrigerant pressure sensor.

Fig 3: Removing Refrigerant Pressure Sensor
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.
Install in the reverse order of removal. (See REFRIGERANT PRESSURE SENSOR INSTALLATION NOTE .)
Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)