Cooler hose (HI)

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.

Disconnect the negative battery terminal.
Discharge the refrigerant. (See REFRIGERANT RECOVERY .)
Remove the plug hole plate.
Disconnect the connector.

Fig 1: Cooler Hose (HI) Bolt With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the bolt. (See REFRIGERANT LINE REMOVAL NOTE .)
Disconnect the cooler hose (HI). 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.
Remove the bolt. (See REFRIGERANT LINE REMOVAL NOTE .)

Fig 2: Cooler Hose (HI) Bolt With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Disconnect the cooler hose (HI). 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.
Install in the reverse order of removal. (See REFRIGERANT LINE INSTALLATION NOTE (1) .) (See REFRIGERANT LINE INSTALLATION NOTE (2) .)
Perform the refrigerant system performance test.