Lancer Sportback L4-2.4L (4B12) (2010)
[A] RADIATOR UPPER HOSE DISCONNECTION
Make mating marks on the radiator upper hose and the hose clamp as shown to install them in the original position. Then, remove them.
[B] ENGINE COOLANT TEMPERATURE SENSOR REMOVAL
Use special tool MB992042 to remove the engine coolant temperature sensor.
INSTALLATION SERVICE POINTS
[A] O-RING INSTALLATION
CAUTION
Avoid adhesion of engine oil or grease to the O-ring.
Fit the O-ring in the water pump inlet pipe groove, wet the O-ring circumference or the pipe mounting area inner wall, and then insert the O-ring.
[B] ENGINE COOLANT TEMPERATURE SENSOR INSTALLATION