Wiper and washer system is available for 172 car brands
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Windscreen cleaning system: operating principle, malfunctions, maintenance and replacement
A windscreen cleaning system is an important component of active vehicle safety. It allows keeping the windscreen and the rear window clean regardless of the weather conditions.
Main types
By the type of control:
- With manual control. The driver switches it on by hand.
- With electronic control. It includes a rain sensor. A control unit switches the system on when needed.
Main components and specifics of operation of the windscreen cleaning system
Windscreen wiper blades eliminate dirt and moisture from the window. They are driven by an electric motor via levers, links and ball joints. The motor is powered when a steering column switch is set to a corresponding position. Besides, the system has an intermittent wiper relay which enables wipers to operate in an intermittent mode.
A standard component of the windscreen cleaning systems used in modern cars is a windscreen washer. It comprises a reservoir designed to store non-freezing washer fluid, a pump which ensures its passage through the pipeline, and nozzles that spray the liquid.
Most common malfunctions
- Wiper blades often become damaged because of poor-quality washer fluid or the lack of it which causes dry friction.
- A burnt electric motor can result from an attempt to turn on windscreen wipers when their blades are frozen to the window.
- Moving joints may seize because of corrosion.
- Nozzles get clogged because the washer fluid hasn’t been changed in time or it is of low quality.
- Washer pump won’t work because of blown fuses or corroded terminals.
Proven ways to extend the service life of the system
Wiper blades are consumables and should be replaced in due time. It is desirable to occasionally lubricate the ball joints with a special compound. When the windscreen becomes greasy, clean it manually with special chemicals first, and only after that you may switch on the windscreen cleaning system. During wintertime, be sure to wait for the blades to unfreeze before turning the system on. Never let the blades to rub against dry surfaces: that is bad not only for the components but for the glass as well. Make sure that washer nozzles are properly adjusted: the whole surface cleaned by the wipers should be wet.
What you must know about repairing the windscreen cleaning system
Cleaning system repairs usually involve replacing damaged components. The only exception is its electrical part: sometimes, you just need to clean the contacts to eliminate the malfunctions.
Motor-doctor.co.uk: only high-quality car parts for your vehicle
The best place to buy windscreen cleaning system components is our online shop. We offer a wide range of products, quality guarantee for all parts and affordable prices and we also run promotions regularly.
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