Engine cooling,  M110

Removal and installation of water pump

 

 

20—210 Removal and installation of water pump

 

Tightening torques
Nm

 

Models 107, 114, 116
6-10

 

Radiator drain plug

 

Models 123, 126
1.5-21)

 

Air oil cooler drain plug
30-35
Vibration damper mounting bolts
35
Coolant pump to coolant pump housing
9
Visco-fan clutch to coolant pump
25
Magnetic fan clutch to coolant pump
20-25

 

l) This torque can be established by means of a washer or coin.

 

Special tools

 

Tester for cooling system
001 589 48 21 00

 

11004-8325
m110 - 0765-1.jpg

 

Radiator cap with hose for leak test
m110 - 0765-2.jpg
605 589 00 25 00

 

Socket wrench with 7 mm hex. head on flexible shaft for hose clamps with worm drive
m110 - 0765-3.jpg
123 589 12 09 00

 

Removal
m110 - 0765-4.jpg
1 Drain coolant (20-010).
2 Remove radiator (20-420).
Models 107, 114, 116
3 Remove fan with visco-fan clutch.

 

20.2-210/1 F3

 

 

 

Models 123, 126
m110 - 0766-1.jpg
3 Detach magnetic fan clutch.
Magnetic fan clutch

 

4 Unscrew pulley.
m110 - 0766-2.jpg

 

5 Unscrew vibration damper.
m110 - 0766-3.jpg
6 Remove coolant pump.

 

Installation

 

7 Install in reverse sequence of removal.

 

20.2-210/2 F3