Thermostat Removal / Installation - 2.3L

WARNING: This page is about a different car, the 2006 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Thermostat

Courtesy of MAZDA MOTORS CORP.

NOTE:

The thermostat and thermostat housing are serviced as an assembly.

Drain the cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L .

Fig 2: Disconnecting Coolant Hose And Lower Radiator Hose
Courtesy of MAZDA MOTORS CORP.
Disconnect the coolant hose and the lower radiator hose.

Fig 3: Removing/Installing Thermostat Housing With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Remove the bolts and the thermostat housing.
To install, reverse the removal procedure.