ECT Sensor No. 2

WARNING: This page is about a different car, the 2016 Mazda CX-5. 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 plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
Disconnect the ECT sensor No. 2 connector.

Fig 1: Identifying ECT Sensor No. 2, Water Pipe And Connector
Courtesy of MAZDA MOTORS CORP.
Disconnect the hoses. (See HOSE CONNECTION NOTE .)

Fig 2: Identifying ECT Sensor No. 2, Water Pipe And Hose
Courtesy of MAZDA MOTORS CORP.
Remove the nut from the water pipe.

Fig 3: Identifying ECT Sensor No. 2, Water Pipe And Nut With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Move the water pipe in the direction of the arrow shown in the figure to remove it. (See WATER PIPE INSTALLATION NOTE .)

Fig 4: Moving Water Pipe
Courtesy of MAZDA MOTORS CORP.
Remove the ECT sensor No. 2 using the SST.

Fig 5: Removing ECT Sensor No. 2 Using SST
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)