Operation (Hydraulic systems): pre-2018 MOT

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

No direct match in the current MOT scheme.

5 pre-2018 fail items.

Old wording	Inspection manual	Now
Operation pedal spongy	sponginess indicating air in the hydraulic system	No direct match
Operation pedal creeps down when held under pressure	The pedal tends to creep down while held under pressure	No direct match
Operation pedal has no servo assistance	no dip can be felt when the engine is started, indicating vacuum assistance is not working satisfactorily	No direct match
Operation reservoir fluid level decreases after several pedal applications	after several applications of the brake pedal the fluid level in the reservoir has decreased	No direct match
Operation pedal does not operate a brake fitted to each wheel	on vehicles first used on or after 1st Jan 1968 a brake is not applied to all the wheels	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.