What Is a Wiper Blades?
Windscreen wiper blades consist of a rubber or synthetic compound squeegee element attached to a metal or composite frame, driven by an electric motor through a linkage mechanism. Modern flat-blade wipers use a tensioned spring to maintain even pressure across the blade length, providing superior contact with curved windscreens compared to traditional framed blades. Rear wiper blades are typically smaller and operate on a separate motor.
What Does the Wiper Blades Do?
Windscreen wipers are a critical safety item — reduced visibility in wet conditions is a major factor in road accidents. The wiper blade must maintain consistent contact across the full sweep area to clear water effectively without streaking. As the rubber element ages, it hardens, cracks and loses flexibility, reducing its ability to conform to the windscreen surface and clear water effectively.
Fault with your wiper blades?
Get your first possible fault cause free - full report with repair costs just £1.99.
Get My Free Fault Scan →Symptoms of a Failing Wiper Blades
Worn wiper blades cause smearing, streaking or chattering across the windscreen rather than a clean sweep. Visible splits or cracks in the rubber element, the blade lifting off the screen at speed, or a squeaking noise during operation all indicate the blades require replacement. Wiper effectiveness should be tested before winter.
When Should the Wiper Blades Be Replaced?
Wiper blades should be replaced every 12 months or when performance deteriorates. They are one of the cheapest and easiest maintenance items — typically £15 to £40 for a pair of front blades — and have a direct impact on safety. Many garages will fit them for free when purchased.
If you are experiencing symptoms related to your wiper blades and are unsure whether it needs replacing, a free MotorLoom fault scan can help identify whether the component is likely at fault - giving you the most likely cause and estimated repair cost before you visit a garage.
Partner links - MotorLoom may earn a small commission at no extra cost to you.
Related Parts
Other components that work alongside or are related to the wiper blades: