Removal and Installation

WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .

Fig 1: Disconnecting Heater Hoses From Heater Core - 3.0L DURATEC (4V)
Courtesy of MAZDA MOTORS CORP.
Disconnect the heater hoses from the heater core.

Fig 2: Disconnecting Heater Outlet Hose From Water Hose Connection - 3.0L DURATEC (4V)
Courtesy of MAZDA MOTORS CORP.
Disconnect the heater outlet hose from the water hose connection.

Fig 3: Disconnecting Heater Hose Connection From Engine - 3.0L DURATEC (4V)
Courtesy of MAZDA MOTORS CORP.
Disconnect the heater hose connection from the engine.
Remove the heater hose from the engine compartment.

Fig 4: Disconnecting Heater Hoses From Heater Hose Junction - 3.0L DURATEC (4V)
Courtesy of MAZDA MOTORS CORP.
Disconnect the heater hoses from the heater hose junction.
To install, reverse the removal procedure.