Front A/C Unit Removal/Installation

Disconnect the negative battery cable.
Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [AJ] .)
Discharge the refrigerant. (See REFRIGERANT RECOVERY or REFRIGERANT CHARGING .)
CAUTION:
- If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
Remove the dashboard. (See DASHBOARD REMOVAL/INSTALLATION .)
Remove in the order indicated in Fig 3
ENGINE COMPARTMENT

PASSENGER COMPARTMENT (IN DASHBOARD)

Fig 1: Removing Front Heater Hose
Courtesy of MAZDA MOTORS CORP.

Fig 2: Removing Cooler Pipe No.3 With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.

Fig 3: Removing Air Duct And Front A/C Unit
Courtesy of MAZDA MOTORS CORP.