mechanics.tradeWashers: provides insufficient washer liquid
This was recorded 501,423 times on cars and light vans in 2025, which makes it number 20 on the list of things that stop a car passing.
501,423recorded in 2025
20on the national list
2.4%of the top forty defects
What the tester is looking at
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
How serious it counts as
The tester records this as a major defect. What the categories mean.
Other things checked on the washers
All forty defects, from 42,728,066 MOT tests in 2025.