Removal & Installation

WARNING: This page is about a different car, the 2003 Mazda Tribute and 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine Cooling System.
Remove the air cleaner outlet tube.
Disconnect the five hoses from the thermostat housing and remove the thermostat housing.

Fig 1: Disconnecting Hoses From Thermostat Housing
Courtesy of MAZDA MOTORS CORP.
Disconnect the Engine Coolant Temperature (ECT) sensor from the bypass tube.

Fig 2: Disconnecting ECT Sensor
Courtesy of MAZDA MOTORS CORP.
Remove the bolt, stud, and the water bypass tube.

Fig 3: Removing Water Bypass Tube
Courtesy of MAZDA MOTORS CORP.

NOTE: Clean and inspect the sealing surfaces.

To install, reverse the removal procedure.