Removal and Installation

WARNING: This page is about a different car, the 2003 Mazda Tribute, 2002 Mazda Tribute, and 2001 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine Cooling System. Refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
Remove the air cleaner outlet tube.

Fig 1: Locating Five Hoses From Thermostat Housing
Courtesy of MAZDA MOTORS CORP.
Disconnect the five hoses from the thermostat housing and remove the thermostat housing.

Fig 2: Locating Engine Coolant Temperature (ECT) Sensor
Courtesy of MAZDA MOTORS CORP.
Disconnect the engine coolant temperature (ECT) sensor from the bypass tube.

Fig 3: Locating Removal Bolt & Stud
Courtesy of MAZDA MOTORS CORP.
Remove the bolt, stud, and the water bypass tube.
NOTE:
- Clean and inspect the sealing surfaces.
To install, reverse the removal procedure.