MOT Changes

MOT changes have been made from Sunday 20th May 2018.

Here is all the information that you will need to know about the changes that have been recently made.

There will no longer be pass, fail and advisories. Instead there will be three defect categories:

1. Dangerous: automatic fail
2. Major: automatic fail
3. Minor: pass but must be repaired as soon as possible.

Item Results  What it means about the item  How it affects your M.O.T result 
Dangerous  A direct and immediate risk to road safety or has a serious impact on the environment.

Do not drive the vehicle until it’s repaired.

Major It may affect the vehicle’s safety, put other road users at risk or have an impact on the environment.

Repair it immediately.

Minor No significant effect on the safety of the vehicle or impact on the environment.

Repair as soon as possible.

Advisory It could become more serious in the future.

Monitor and repair as soon as possible.

Pass It meets the minimum legal standard.

Make sure it continues to meet the standard.


Advisory still results in a pass, with a warning that the advised item must be monitored for further deterioration.

Pass means the vehicle meets the required minimum standard.


There are stricter limits for emissions from diesel cars with a diesel particular filter (DPF).

Your vehicle will get a major fault if the M.O.T tester:

• Can see smoke of any colour coming from the exhaust.
• Finds evidence that the DPF has been tampered with.

New testing that are included in the M.O.T

Some new items are tested during the M.O.T. These include:

• Daytime running lights on vehicles first used from 1st March 2018.
• If tyres are obviously underinflated.
• If the brake fluid has been contaminated.
• For fluid leaks posing an environmental risk.
• Brake pad warning lights and if brake pads or discs are missing.
• Reversing lights on vehicles first used from 1st September 2009.
• Headlight washers on vehicles first used from 1st September 2009 (if they have them).

There are small changed to how some items are checked.

Some vehicles over 40 years old won’t need an M.O.T

Vehicles won’t need an M.O.T from the 40th anniversary of when they were registered or manufactured.

For example:

If a car was first registered on 31st May 1978, it won’t need an M.O.T from 31ST May 2018. You also won’t have to apply to stop getting an M.O.T for your vehicle.

However, each time you tax your historic vehicle, you will have to declare it meets the rules for not needing an M.O.T.

We are on hand to help if you have any questions. Just click here to find your nearest MonMotors dealership.

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