Radiator Cooling Fan: Service and Repair
WM 192019 Removing and installing cooling fan housing (radiator frame)
Technical values
Preliminary work
1. Remove cover for front lock support. -> 703919 Removing and installing cover for front lock support - section on "Removing" 703919 Removing and installing cover for rear lock support
2. Remove air box for throttle housing (Y-shaped pipe). -> 243519 Removing and installing air box for throttle housing (Y-shaped pipe) - section on "Removing" 243519 Removing and installing cowl for throttle housing (Y-pipe)
Removing cooling fan housing (radiator frame)
WARNING
Electrically moved components
- Danger of limbs being trapped or severed
-> Switch off electric power to drive motor.
-> Make sure it does not switch on again.
-> Check that there is no electric charge.
1. Unclip electric lines from the brackets.
2. Remove pressure pipe at the right -1-.
Removing pressure pipe
2.1. Release vent hose -2- from the pressure pipe at the right -1- and disconnect it.
Disconnecting vent hose
2.2. Unscrew two fastening screws -3- on the pressure pipe at the right for the charge air cooler.
Fastening screws on charge air cooler
2.3. Unclip circlip -4- from the holder for the pressure pipe at the right -5- using a suitable tool.
Unclipping circlip from holder
2.4. Pull pressure pipe at the right out of the bracket -5-.
2.5. Pull pressure pipe at the right out of the charge air cooler and remove it in an upward direction.
3. Release and disconnect electric plug connection -6- for fan on the cooling fan housing -a-.
Pulling off connector on cooling fan housing
4. Remove holder for pressure pipe at the left.
4.1. Unclip circlip -4- from the holder -5- using a suitable tool.
Unclipping circlip from holder
4.2. Unscrew fastening screw -7- on the holder -5- at the cooling fan housing.
Unscrewing fastening screw for holder
4.3. Remove holder -5-.
5. Release and disconnect electric plug connection -8- at the cooling water hose.
Pulling off connector on cooling water hose
6. Release locking springs -9- at the left and right of the cooling fan housing.
Releasing locking springs
7. Carefully press cooling water hose -10- to one side.
Pressing cooling water hose aside
8. Pull cooling fan housing out of the brackets at the side and at the bottom and swivel it to the right slightly -arrow A-.
Pulling out cooling fan housing
9. Carefully remove the cooling fan housing by pulling it up -arrow B-.
Installing cooling fan housing (radiator frame)
WARNING
Electrically moved components
- Danger of limbs being trapped or severed
-> Switch off electric power to drive motor.
-> Make sure it does not switch on again.
-> Check that there is no electric charge.
1. Carefully press the cooling water hose aside and slide the cooling fan housing carefully into the engine compartment along the radiator from top to bottom.
2. Check that the cooling fan housing is installed correctly. To do this, check that the locking springs on the left and right have engaged properly and that the three fastening lugs on the underside have engaged in the plastic clips.
3. Fit holder -5- for pressure pipe at the left.
3.1. Tighten the fastening screw -7- for the holder -5- on the cooling fan housing to => Tightening torque: 4.5 Nm (3.5 ftlb.).
Tightening fastening screw on holder (shown on pressure pipe at the right)
3.2. Position the pressure pipe on the holder -5- and secure with a circlip -4-.
Clipping circlip into holder (shown on pressure pipe at the right)
4. Plug in electric plug connection -8- at the cooling water hose until it engages securely.
Plugging in connector on cooling water hose
5. Plug in electric plug connection -6- for fan on the cooling fan housing and lock it -a-.
Plugging in connector on cooling fan housing
6. Install pressure pipe at the right.
6.1. Insert pressure pipe at the right into the charge air cooler.
6.2. Position pressure pipe at the right on the holder -5- and secure with a circlip -4-.
Clipping circlip into holder
6.3. Tighten two fastening screws used to secure the pressure pipe on the right to the charge air cooler to => Tightening torque: 5.5 Nm (4 ftlb.).
Fastening screws on charge air cooler
6.4. Insert the vent hose -2- into the pressure pipe -1- at the right until it engages securely.
Inserting vent hose
7. Clip electric lines into the brackets.
Subsequent work
1. Install air box for throttle housing (Y-shaped pipe). -> 243519 Removing and installing air box for throttle housing (Y-shaped pipe) - section on "Installing" 243519 Removing and installing cowl for throttle housing (Y-pipe)
2. Install cover for front lock support. -> 703919 Removing and installing cover for front lock support - section on "Installing" 703919 Removing and installing cover for rear lock support