Cylinders: pre-2018 MOT

This is pre-2018 MOT wording. The defect categories changed on 20 May 2018.

Partly now called Master cylinder. The rest has no direct match.

10 pre-2018 fail items.

Old wording	Inspection manual	Now
Cylinders locking device missing	A braking system component retaining or locking device missing or insecure	No direct match
Cylinders leaking hydraulic fluid	a leak in any part of a braking system	No direct match
Cylinders inappropriately repaired	A braking system component inappropriately repaired or modified.	Master cylinder insecure (major)
Cylinders insecurely mounted	A braking system component insecurely mounted	Master cylinder insecure (major)
Cylinders excessively weakened by corrosion	A braking system component excessively weakened by corrosion	No direct match
Cylinders damaged and function impaired	A braking system component damaged to the extent its function is impaired	No direct match
Cylinders retaining device insecure	A braking system component retaining or locking device missing or insecure	Master cylinder insecure (major)
Cylinders locking device insecure	A braking system component retaining or locking device missing or insecure	Master cylinder insecure (major)
Cylinders retaining device missing	A braking system component retaining or locking device missing or insecure	No direct match
Cylinders modified and seriously weakened	A braking system component inappropriately repaired or modified.	No direct match

Current names are the closest match by wording and part. The DVSA publishes no official old-to-new table.

Other pre-2018 parts in Brakes

Dabers ANPR shows the full MOT history, defects included, for the car in any photo. How it works

Contains public sector information from the DVSA licensed under the Open Government Licence v3.0.