DAF LF45, LF55 Series. Manual - part 206

©

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5.3 REMOVAL AND INSTALLATION, VISCOUS FAN CLUTCH

Removing the viscous fan clutch
1.

Drain some of the coolant. See "Draining and 

filling".

2.

Remove the air inlet hose with air inlet pipe 

between the intercooler and the inlet 

manifold (1).

3.

Disconnect the heater hose (2) and bleed 

hose (3) on engine side and bend it to the 

front.

4.

Remove the attachment nuts from the fan.

5.

Remove the bolts attaching the viscous fan 

clutch to the drive flange. Remove the 

viscous fan clutch with the fan from the wind 

tunnel.

Note:

The viscous fan clutch must always be 

stored vertically.

Installing the viscous fan clutch
1.

Place the new viscous fan clutch in the fan. 

Position it in the wind tunnel and fit the 

viscous fan clutch with the fan onto the drive 

flange.

2.

Tighten the attachment nuts of the fan.

3.

Fit the heater hose (2) and bleed hose (3).

4.

Fit the air inlet hose with air inlet pipe 

between the intercooler and the inlet 

manifold (1).

5.

Fill the cooling system. See "Draining and 

filling".

6.

Run the engine and check that all 

connections are sealed properly.

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Removing and installing

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5.4 REMOVAL AND INSTALLATION, RADIATOR

Note:

The removal and installation procedure for the 

radiator unit allows for the presence of an air-

conditioning unit.

If such a unit is not present, the relevant sections 

can be skipped.

Removal, radiator
1.

Drain the coolant.

2.

Remove the fan.

3.

Remove the coolant hoses from the radiator.

4.

Remove the bracket (1) of the air-

conditioning pipes from the radiator.

5.

Remove the left-hand air inlet hose (2) and 

air inlet pipe (3) from the inlet manifold to the 

intercooler.

6.

Remove the right-hand connecting hose 

from the inlet pipe to the intercooler.

7.

Remove the bracket (4) of the heater and 

bleed hoses from the radiator.

8.

Remove the torque rod (5).

9.

Remove the retainer clips from the 

condenser brackets.

10. Remove the bolts of the wind tunnel (6) and 

remove the wind tunnel.

11. Remove the attachment bolts from the 

intercooler and remove the cover plate.

12. Remove the attachment bolts from the 

radiator brackets. Remove the radiator and 

tilt the condenser slightly to free the air-

conditioning pipes.

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Removing and installing

CE ENGINE COOLING SYSTEM

ΛΦ45/55 series

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Installing the radiator
1.

Fit the radiator in the chassis. Tighten the 

attachment nuts to the specified torque. See 

"Technical data".

2.

Fit the intercooler onto the radiator and fit the 

cover plate.

3.

Install the wind tunnel (6).

4.

Install the torque rod (5).

5.

Suspend the condenser at the bottom in the 

brackets and fit the retainer clips.

6.

Fit the fan.

7.

Fit the bracket (4) of the heater and bleed 

hoses on the radiator.

8.

Fit the coolant hoses to the radiator

9.

Fit the right-hand air inlet hose from the inlet 

pipe to the intercooler.

10. Fit the left-hand air inlet hose (2) and air inlet 

pipe (3) from the inlet manifold to the 

intercooler.

11. Fit the bracket (1) of the air-conditioning 

pipes on the radiator

12. Fill the cooling system. See "Draining and 

filling".

13. Run the engine and check that all 

connections are sealed properly.

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