Thermostat / temperature sensor, engine coolant, replacing: Preparation
Remove the cap from the expansion tank.
Install a hose clamp on the upper coolant hose.
Raise the car. Remove the lower splashguard.
Position a container under the engine drain cock. Drain 2 liters of engine coolant.
Close the cock. Install the lower splash guard. Lower the car.
Disconnect the sensor cable connector.
Remove the upper timing belt cover.