# Other braking system (e.g. antifreeze pump, air dryer etc.) component damaged or corroded to the extent that the braking system is adversely affected — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Other braking system (e.g. antifreeze pump, air dryer etc.) component damaged or corroded to the extent that the braking system is adversely affected, category is Major; inspection item number is 1.1.21; defect reference is (a)(i); inspection item is Complete braking system; authority is DVSA MOT (cars, vans and passenger vehicles, classes 3, 4, 5, 7), recorded from its source on 2026-08-06.

- **Defect:** Other braking system (e.g. antifreeze pump, air dryer etc.) component damaged or corroded to the extent that the braking system is adversely affected _(verified: appears in the quote below)_
- **Category:** Major _(verified: appears in the quote below)_
- **Inspection item number:** 1.1.21
- **Defect reference:** (a)(i) _(verified: appears in the quote below)_
- **Inspection item:** Complete braking system
- **Authority:** DVSA MOT (cars, vans and passenger vehicles, classes 3, 4, 5, 7) _(our reading, not quoted from the source)_

## What the source says

> (a)(i) | Other braking system (e.g. antifreeze pump, air dryer etc.) component damaged or corroded to the extent that the braking system is adversely affected | Major

## Source

- https://www.gov.uk/guidance/mot-inspection-manual-for-private-passenger-and-light-commercial-vehicles/1-brakes

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).