mechanics.tradeRigid brake pipes: excessively corroded
This was recorded 303,554 times on cars and light vans in 2025, which makes it number 30 on the list of things that stop a car passing.
303,554recorded in 2025
30on the national list
1.5%of the top forty defects
What the tester is looking at
Brake pipe damaged or excessively corroded
How serious it counts as
The tester records this as a major defect. What the categories mean.
All forty defects, from 42,728,066 MOT tests in 2025.