REMOVAL AND INSTALLATION



Removal steps


1.
 Water hose


2.
 Water pipe "A"


3.
 Water hose


4.
 Water hose

>>E<<
 5.
 Water pipe

>>E<<
 6.
 O-ring


7.
 Water hose


8.
 Water pipe "D"


9.
 Joint

>>D<<
 10.
 Front upper case stiffener


11.
 Water hose


12.
 Water hose
<<A>>
 >>C<<
 13.
 Engine coolant temperature sensor


14.
 Water outlet fitting


15.
 Water outlet fitting gasket

>>B<<
 16.
 Stud


17.
 Water inlet fitting

>>A<<
 18.
 Thermostat


19.
 Plate


20.
 Gasket


21.
 Water pump


22.
 Water pump gasket

REMOVAL SERVICE POINT

<<A>> ENGINE COOLANT TEMPERATURE SENSOR REMOVAL

Use special tool water temperature sensor wrench (MB992042) to remove the engine coolant temperature sensor.

INSTALLATION SERVICE POINTS

>>A<< THERMOSTAT INSTALLATION

1.Check that the rubber ring is undamaged and seated correctly in the thermostat flange.
2.Install the thermostat as shown in the illustration.

>>B<< STUD INSTALLATION
The stud should protrude 20 mm from the end of the water outlet fitting.

>>C<< ENGINE COOLANT TEMPERATURE SENSOR INSTALLATION
1.
caution Be careful not to damage the connector portion (made of resin) of the sensor with the tool.
Remove any sealant that may be remaining on the engine coolant temperature sensor or the threaded hole in the water outlet fitting.

2.Apply the sealant to the thread of engine coolant temperature sensor.
Specified sealant: ThreeBond 1324N or equivalent
3.In the same manner as for removal, using special tool water temperature sensor wrench (MB992042), tighten to the specified torque.
Tightening torque: 30 ± 10 N·m

>>D<< FRONT UPPER CASE STIFFENER INSTALLATION

1.Temporarily tighten the front upper case stiffener with bolts.
2.Tighten the bolt A located at the front upper case side to the specified torque.
Tightening torque: 50 ± 5 N·m
3.Next, tighten the bolt B located at the cylinder block side to the specified torque.
Tightening torque: 50 ± 5 N·m

>>E<< O-RING / WATER PIPE INSTALLATION
caution Do not allow engine oil or other grease to adhere to the cooling water line O-ring

Fit the O-ring to the groove in the water pipe. Then lubricate the rim of O-ring or the inside of water pipe fixing position with water, and then insert the water pipe to the water pump.