Radiator Cooling Fan: Service and Repair

Engine cooling fan (FC)

Note! Some variation in the illustrations may occur, but the essential information is always correct.

Removal

Removing the bumper
Remove the bumper cover. Refer to: Cover bumper front, B5254T7 Service and Repair

Drain coolant. Refer to: Cooling system - draining, charging and bleeding, B5254T7 Service and Repair

Removing components





Remove:
- the cover for the brake control module (BCM)




- the expansion tank cap




- the connector for the engine cooling fan (FC)
- the hoses from the clips, x 2.

Only applies to vehicles with automatic transmissions
Remove the screws for the transmission's oil cooler. Place the oil cooler to one side.





Only applies to vehicles with premair sensors
Remove the connector for the premair sensor.





Remove:
- the 7 x screws
- the splash guard under the engine.




Install a mobile jack under the radiator.

Removing the engine cooling fan





Remove:
- the 4 screws
- the bracket for the air conditioning aggregate.




Remove the 2 x coolant hoses.





Note! When removing the engine cooling fan (FC), ensure that no cables are damaged.

Press in both clips on the upper section and lift the engine cooling fan (FC) from the catches.
Remove the fan downwards.

Installation

Note! For tightening torques, see: Tightening torque, B5254T7, AW55-50/51SN, B5254T7, M66 Tightening Torque.

Installing the engine cooling fan

Install:
- the engine cooling fan (FC) from underneath. Hook the engine cooling fan (FC) into the upper and lower mountings.
- the 2 x coolant hoses, close the drain screw.
- the bracket for the air conditioning aggregate
- the 4 x M8 screws. Remove the air conditioning aggregate.
- the splash guard under the engine using the 7 x screws





Only applies to vehicles with premair sensors
Install the connector to the premair sensor
Only applies to vehicles with automatic transmissions

Install:
- the oil cooler to the transmission
- the bolt.
Applies to all versions

Install:
- the connector to the engine cooling fan (FC)
- the 2 x hoses in the clips
- the cover for the brake control module (BCM).
Top up the coolant. Refer to: Cooling system - draining, charging and bleeding, B5254T7 Service and Repair
Run the engine until the thermostat opens. Top up if necessary.
Install the bumper cover. Refer to: Cover bumper front, B5254T7 Service and Repair