Heater Hose Removal/Installation

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
Remove the clips and remove the heater hose.

Fig 1: Removing Heater Hose And Clips (1 Of 2)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Removing Heater Hose And Clips (2 Of 2)
Courtesy of MAZDA MOTORS CORP.

Fig 3: Removing Heater Hose
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of the removal.
Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION .)