Windshield Washer Reservoir: Service and Repair

Removing And Installing Reservoir For Windscreen Washer System

Preliminary work
1. Remove right front wheel.
2. Remove front right wheel housing liner.
3. Remove right front cover (engine compartment).
4. Remove tyre pressure monitoring system antenna.

Removing reservoir for windscreen washer system

NOTE:
- 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.







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







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.







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







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







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







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







7. Check container for windscreen washer system.

Installing reservoir for windscreen washer system
1. Ensure water and electrical lines are laid properly.
2. Insert container in slot in body at 60 degrees to the horizontal.
3. Connect the two water lines to the pump connections -arrows A-.







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







5. 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.







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.







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







Subsequent work
1. Install tyre pressure monitoring system antenna.
2. Install front right wheel housing liner.
3. Install right front cover (engine compartment).
4. Install right front wheel.

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.







NOTE: 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-.







Mix ratio of fluids for windscreen washer system

ATTENTION:
Risk of damage and blockage of the car wash.
- By using the wrong fluids, the washer system can become blocked, the wiping function can become impaired, and the surface of the lenses can become damaged.
- Use washer fluids and additional cleaners with the following properties:
- phosphate-free
- suitable for plastic lenses.
- Do not use a rain deflector with pearl effect.
- Use antifreeze protection below + 10 degrees.

Fluid: Mix ratio:
Water Undiluted
1 : 1
Water/isopropanol 2 : 1
3 : 1

1 : 1
Water/ethanol 2 : 1
3 : 1