Heater Hose Removal/Installation: Notes

Disconnect the negative battery cable.
Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [MZR 2.5] .)
Disconnect the heater hose from the A/C unit. (See HEATER HOSE REMOVAL NOTE .)

Fig 1: Locating Heater Hose
Courtesy of MAZDA MOTORS CORP.
Remove the clip.

Fig 2: Identifying Heater Hose Clip
Courtesy of MAZDA MOTORS CORP.
Remove the clips and disconnect the heater hose.

Fig 3: Identifying Heater Hose Clips (ATX)
Courtesy of MAZDA MOTORS CORP.
Remove the clips and disconnect the heater hose, hose joint and quick connector.

Fig 4: Identifying Clips, Heater Hose, Hose Joint And Quick Connector
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal. (See HEATER HOSE INSTALLATION NOTE .)
Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [MZR 2.5] .)