Refrigerant Line Removal/Installation: Notes

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Discharge the refrigerant. (See REFRIGERANT CHARGING .)
Disconnect the refrigerant pressure sensor connector.

Fig 1: Identifying Refrigerant Pressure Sensor Connector
Courtesy of MAZDA MOTORS CORP.
Remove in the order indicated in the table. Do not allow compressor oil to spill.
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.
Fig 2: Cooler Hose Related Components With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST )