Replace Windscreen Cleaning System by yourself

Manuals and tips on repair and maintenance for Windscreen Cleaning System

Here you will find numerous maintenance guides and video tutorials for Windscreen Cleaning System
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Windscreen Cleaning System parts replacement: Step-by-step manuals

Windscreen Cleaning System: replacement and repair guides
Repair Windscreen Cleaning System step by step guide PDF

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Repair Windscreen Cleaning System step by step guide PDF

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Solve problems with your automobile watching our helpful video-guides
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Common questions about checking and repairing the windscreen wiper/washer system

What components are a part of the automotive windscreen wiper/washer system?

The windscreen wiper/washer system comprises a washer pump and reservoir, a linkage, wiper blades and arms, an electric motor, washer fluid nozzles, and a relay for switching the wiper settings. The wiper arms’ speed can be adjusted from inside the car using the control lever. The system can be activated automatically if the car is equipped with a rain sensor.

What causes malfunctions in the wiper/washer system?

Over time, wiper blades wear out and lose their snug fit against the glass. If you use them without washer fluid, not only will they not last as long, they’ll also begin to leave scratches on the surface of the windscreen. In winter, the wiper blades may freeze to the glass. An attempt to activate frozen parts often leads to burnout of the electric motor. The relay terminals can get corroded or burn out due to moisture. Excessive car body vibration can cause the wiper linkage nut to loosen, and if it gets dirty it can start to corrode.

What does car wiper/washer system repair involve?

Repair of electrical components of the assembly includes cleaning the terminals and installing a new relay or electric motor. If the wiper blades aren’t cleaning the glass properly anymore, they should be replaced, in some cases together with the arms. A loose nut can be tightened so that it doesn’t interfere with the wipers. Clogged nozzles can be cleaned using a needle. If the parts cannot be adjusted, they have to be replaced. A faulty rain sensor cannot be repaired; a new one should be installed at a garage.

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