Windshield Washer Reservoir: Service and Repair

WM 926019 Removing and installing reservoir for windscreen washer system

Technical values





Preliminary work

1. Remove right front wheel. => 440519 Removing and reinstalling wheel - section on "Removing"
2. Remove front right wheel housing liner. => 505619 Removing and installing front wheel housing liner - section on "removing"
3. Remove right front cover (engine compartment). => 700219 Removing and reinstalling front cover (engine compartment) - section on "Removing"
4. Remove tyre pressure monitoring system antenna. => 443819 Removing and reinstalling antennas for tyre pressure monitoring system - section on "Removing"

Removing reservoir for windscreen washer system

Information

- A tight hose can be pulled off more easily if it is heated with a hot-air gun.

- Collect windscreen washer system fluid with a suitable container.





Overview - container for windscreen washer system

1. Disconnect the headlight washer line plug connection running forwards and the electric plug connection. Press connectors -arrow- together and pull apart.





Disconnecting headlight washer line plug connection and electric plug connection

2. Open up cap on filler neck for coolant reservoir and remove the screw under it. Remove filler neck from coolant reservoir and pull out of the container for the windscreen washer system.





Removing container for windscreen washer system

3. Support bottom part of tank with your hand and unscrew the two fastening screws.





Unscrewing fastening screws

4. Pull the two water lines off the pump -arrows A-.





Pulling water lines off the pump

5. Pull container out and down at jacking point -A- and swivel downward approximately 60°.





Pulling out the container

6. Detach tank from body -B- and remove.





Detaching container on the body.

7. Check container for windscreen washer system. => 926019 Removing and reinstalling container for windscreen washer system - section on "Checking"

Installing reservoir for windscreen washer system

1. Ensure water and electrical lines are laid properly.
2. Insert container in slot in body at 60° to the horizontal.
3. Connect the two water lines to the pump connections -arrows A-.





Connecting water lines to the pump

4. Mount water reservoir in vehicle body -A- and press forwards in the slot.





Mounting the water reservoir in the body

5. Pivoting container upwards





Pivoting container upwards

6. After pivoting up, press the container toward the rear
7. Secure container with the two fastening screws. => Tightening torque: 4.5 ftlb.





Tightening fastening screws

8. Slide filler necks into water reservoir, using soap suds. Fit connection piece to coolant reservoir and secure with fastening screw. => Tightening torque: 1.5 ftlb.





Installing filler neck

9. Connect water line for headlight washer and electric plug connection.





Connecting water line for headlight washer and electric plug connection

Subsequent work

1. Install tyre pressure monitoring system antenna. => 443819 Removing and reinstalling antennas for tyre pressure monitoring system - section on "Installing"
2. Install front right wheel housing liner. => 505619 Removing and installing front wheel housing liner - section on "installing"
3. Install right front cover (engine compartment). => 700219 Removing and reinstalling front cover (engine compartment) - section on "Installing"
4. Install right front wheel. => 440519 Removing and reinstalling wheel - section on "Installing"

Additional assembly instructions

Checking support for windscreen washer system container

1. Checking fastening bolts (support)
1.1. Check vehicles up to model year 05 if the fastening bolt is damaged.
1.2. If the bolt (support) is damaged, convert the support for the windscreen washer system.





Checking fastening bolts (support)

Information

- If the support for the washer-fluid reservoir was converted, the container for the windscreen washer system must also be replaced.

2. Checking the container for windscreen washer system
2.1. Check which container version is installed on the vehicle.
2.2. Replace the container on vehicles with container version -A-.





Checking the container for windscreen washer system

Mix ratio of fluids for windscreen washer system

CAUTION

Filling the wrong fluid into the washer system

- Risk of damaging and blocking the washer system
- Reduced washer/wiper function

-> Only use phosphate-free washer fluid and additional cleaner that is suitable for plastic headlight lenses and will not leave drips.
-> Use anti-freeze at temperatures below + 10°C.