Remove/install viscous fan clutch · ar2040d5660c · Mercedes-Benz WIS

AR20.40-D-5660C

Remove/install viscous fan clutch

15.3.96

ENGINE 111.979 in MODEL 901.0, 902.0, 903.0, 904.0

ENGINE 111.984 in MODEL 901.6, 902.6, 903.6, 904.6

D20.40-1000-09

1 Viscous fan clutch

2 Fan wheel

3 Fan shroud

4 Retaining clips

5 Union nut (left-hand thread)

6 Hexagon socket bolt

7  Counterholder

8  Open-end wrench bit

Modification notes

9.12.02

Value modified from 41 Nm to 45 Nm

Value in series BA20.40-N-1002-01A on Engine 111.979/984 modified

 	Remove/Install
1	Detach fan shroud (3) at radiator	 4 retaining clips (4)
2	Block belt pulley of coolant pump with counterholder (7) and slacken union nut (5) with open-end wrench bit (8)	 Union nut (5) has left-hand thread.
			*111589020100
			*119589024000
			*BA20.40-N-1002-01A
3	Unscrew union nut (5) and lift viscous fan clutch (1) up and out together with fan wheel (2) and fan shroud (3)	 Do not lay down viscous fan clutch (1) flat.
4	Take fan wheel (2) off the viscous fan clutch (1)	  Installation position is fixed by the rib (arrow) at fan wheel (2).	*BA20.40-N-1001-01A
5	Install in the reverse order

 Fan, fan clutch

Number	Designation		Engine 111.979/ 984


BA20.40-N-1001-01A	Fan to viscous fan clutch	Nm	9
BA20.40-N-1002-01A	Viscous fan clutch to coolant pump	Nm	45

111 589 02 01 00

119 589 02 40 00

Counterholder

Open-end wrench bit