Valves (Air and vacuum systems): pre-2018 MOT

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

Split across: Load sensing valves, Valves (Air and vacuum systems).

20 pre-2018 fail items.

Old wording	Inspection manual	Now
Valves load sensing valve defective and function impaired	A load sensing valve or its operating linkage obviously defective so that its function is impaired	Valves damaged and function impaired (major)
Valves valve locking device insecure	A braking system component retaining or locking device missing or insecure	Valves insecure (major)
Valves load sensing valve obviously incorrectly adjusted	A load sensing valve or its operating linkage obviously incorrectly adjusted.	Load sensing valves linkage obviously incorrectly adjusted (major)
Valves valve inappropriately repaired	A braking system component inappropriately repaired or modified.	Valves damaged and function impaired (major)
Valves load sensing valve inoperative	A load sensing valve or its operating linkage obviously seized or inoperative	Valves insecure (major)
Valves valve retaining device insecure	A braking system component retaining or locking device missing or insecure	Valves insecure (major)
Valves valve retaining device missing	A braking system component retaining or locking device missing or insecure	Valves damaged and function impaired (major)
Valves valve locking device missing	A braking system component retaining or locking device missing or insecure	Valves insecure (major)
Valves load sensing valve seized	A load sensing valve or its operating linkage obviously seized or inoperative	Valves insecure (major)
Valves valve modified and seriously weakened	A braking system component inappropriately repaired or modified.	Valves damaged and function impaired (major)
Valves load sensing valve linkage seized	A load sensing valve or its operating linkage obviously seized or inoperative	Valves insecure (major)
Valves load sensing valve linkage obviously incorrectly adjusted	A load sensing valve or its operating linkage obviously incorrectly adjusted.	Load sensing valves linkage obviously incorrectly adjusted (major)
Valves load sensing valve linkage defective and function impaired	A load sensing valve or its operating linkage obviously defective so that its function is impaired	Valves damaged and function impaired (major)
Valves load sensing valve has been disconnected and was fitted as standard	evidence that a valve has been removed or disconnected from a vehicle where it is known to have been fitted as standard.	Valves insecure (major)
Valves load sensing valve has been removed and was fitted as standard	evidence that a valve has been removed or disconnected from a vehicle where it is known to have been fitted as standard.	Valves insecure (major)
Valves valve has an excessive discharge of oil	excessive discharge of oil from a valve	Valves has an excessive discharge of oil (minor)
Valves valve insecurely mounted	A braking system component insecurely mounted	Valves insecure (major)
Valves valve damaged and function impaired	A braking system component damaged to the extent its function is impaired	Valves damaged and function impaired (major)
Valves valve excessively weakened by corrosion	A braking system component excessively weakened by corrosion	Valves has an excessive discharge of oil (minor)
Valves valve leaking	a leak in any part of a braking system	Valves leaking (major)

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

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