Remove/install fan shroud

AR20.40-D-6800SF

Remove/install fan shroud

04.02.2016

Engine

272 in model 906

Engine

642.896/898/992/993 in model 906

except code XM0 (Facelift)

Modification notes

20.11.2015

Drain off about 3 liters of coolant at cooler drain valve, added.

Operation step 1

20.11.2015

Remove coolant hose (20), added.

Operation step 2

20.11.2015

Remove fan cowl (1) with viscous fan clutch (10) upwards; repair method altered.

Operation step 11

20.11.2015

Perform an engine test run and check engine for leaktightness in the area around the coolant hose (20), added.

Operation step 13

Shown on engine 642.992

1

Fan shroud

5

Guide

10

Viscous fan clutch

2

Cover

6

Guide

11

Open end wrench

3

Coolant hose

7

Screw/bolt

20

Coolant hose

4

Catch hook

8

Counterholder

For engine 642.896/898 with code HH9 (Semi-automatically controlled A/C, TEMPMATIC)

10

Viscous fan clutch

12

Electrical line

13

Screw/bolt

14

Electrical connection

15

Screw/bolt

16

Support brace

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

 

Remove/install

1

Drain off about 3 liters of coolant at cooler drain valve

AR20.00-D-1140SD

 Collect coolant in a clean container.

 Installation: Replace the drained off coolant quantity up to the marking on coolant expansion reservoir.

2

Remove coolant hose (20)

 Hose clamp pliers

*003589033700

3

Remove glow output stage

Engine 642.993 in model 906
except code XM0 (Facelift)

AR15.20-D-4500SF

4

Unclip coolant hose (3) and place to one side

Engine 642.896/898/992/993 in model 906
except code XM0 (Facelift)

5

Disconnect electrical connection (14) at viscous fan clutch (10)

Engine 642.896/898 in model 906
with code HH9 (Air conditioner, automatic heater control)
except code XM0 (Facelift)

6

Remove screw/bolt (13) and place electrical line (12) to one side

Engine 642.896/898 in model 906
with code HH9 (Air conditioner, automatic heater control)
except code XM0 (Facelift)

7

Remove screw/bolt (15) and turn support (16)

Engine 642.896/898 in model 906
with code HH9 (Air conditioner, automatic heater control)
except code XM0 (Facelift)

8

Unclip cover (2) from fan shroud (1)

9

Detach viscous fan clutch (10) with a open end wrench (11) and counterholder (8) and lay in the fan shroud (1)

 Engine 272 in model 906
 Counterholder or Engine 642.896/898/992/993 in model 906
except code XM0 (Facelift) Place counterholder (8) on screw/bolt (7) and unscrew viscous fan clutch (10) clockwise.

 Engine 642.896/898/992/993 in model 906
except code XM0 (Facelift)Viscous fan clutch to belt pulley

*BA20.40-N-1003-01N

 Engine 272 in model 906Viscous fan clutch to coolant pump

*BA20.40-N-1002-01N

 Engine 272 in model 906
Counterholder

*611589004000

 Engine 642.896/898/992/993 in model 906
except code XM0 (Facelift)
Counterholder

*906589004000

10.1

Unlock fan shroud (1) at catch hooks (4) and pull upwards out of the guides (5, 6) (arrow)

Engine 642.896/898/992/993 in model 906
except code XM0 (Facelift)

10.2

Unlock fan shroud (1) at catch hooks (4) and pull upwards out of the guides (5) (arrow)

Engine 272 in model 906

11

Remove fan cowl (1) with viscous fan clutch (10) upwards


Remove fan cowl (1) with viscous fan clutch (10) carefully.
Neighboring assembly parts can get damaged otherwise.

12

Install in the reverse order



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

13

Perform an engine test run and check engine for leaktightness in the area of the coolant hose (20)

 Fan, fan clutch

Number

Designation

Engine 272 in model 906

BA20.40-N-1002-01N

Viscous fan clutch to coolant pump

Nm

45

 Fan, fan clutch

Number

Designation

Engine 642 in model 906

BA20.40-N-1003-01N

Viscous fan clutch to belt pulley

Nm

45