Why does X Mot use cookies?

Your MOT Test: Everything You Need to Know

26/06/2018

Rating: 4.95 (11412 votes)

In the United Kingdom, the annual MOT (Ministry of Transport) test is more than just a bureaucratic hurdle; it's a critical component of road safety and vehicle integrity. Designed to ensure that vehicles over three years old meet minimum environmental and roadworthiness standards, the MOT is a non-negotiable part of car ownership for millions across the country. Understanding its purpose, what it entails, and how to properly prepare your vehicle can save you time, money, and potential headaches. This comprehensive guide will demystify the MOT, helping you navigate the process with confidence.

Where is Mot based?

At its core, the MOT test is a thorough inspection of your vehicle's essential components, carried out by an authorised test centre. Unlike a service, which focuses on the mechanical health and longevity of your car, the MOT is purely about safety and emissions. It doesn't assess the engine, clutch, or gearbox's mechanical condition, nor does it guarantee the car will remain roadworthy for the entire year. Instead, it's a snapshot, confirming that at the time of the test, your vehicle met the legal requirements to be driven on public roads. Failing to have a valid MOT certificate for a vehicle that requires one is illegal and can result in significant fines, penalty points, and even vehicle impoundment. The only exceptions are when driving to a pre-booked MOT test or to a place of repair for a failed MOT, provided the vehicle is roadworthy.

Table

What Does the MOT Test Cover?

The MOT test is a systematic check of various parts of your vehicle to ensure they meet the legal standards. Here's a detailed breakdown of what an authorised MOT tester will inspect:

  • Vehicle Structure and Body: Testers examine the vehicle for excessive corrosion or damage in vital areas, ensuring the body structure is sound and free from sharp edges that could cause injury.
  • Fuel System: Checks include the fuel cap, fuel lines, and tank for leaks and security. The cap must fasten securely.
  • Exhaust Emissions: This is a crucial part, especially for environmental standards. Vehicles must meet specific emission limits based on their age and fuel type. Diesel particulate filters (DPFs) are also checked for removal or tampering.
  • Seats and Seatbelts: All seatbelts are checked for security, condition, and proper operation. Seats must be securely fitted.
  • Steering: The steering system is inspected for excessive play, security, and condition of components like the steering wheel, column, and power steering.
  • Suspension: Testers check shock absorbers, springs, and other suspension components for wear, damage, and leaks.
  • Brakes: A critical safety check, this includes the condition of discs, pads, drums, pipes, and hoses, as well as the efficiency of both the service brake and parking brake. Brake fluid levels are also checked.
  • Tyres and Wheels: Tyres are checked for correct size, type, condition (cuts, bulges), and tread depth (minimum 1.6mm across the central three-quarters of the tread around the entire circumference). Wheels are checked for damage and security.
  • Lights: All mandatory lights (headlights, brake lights, indicators, fog lights, reverse lights, number plate lights) are checked for operation, condition, colour, and alignment.
  • Bonnet Catch: Must securely latch to prevent accidental opening.
  • Wipers and Washers: Essential for clear visibility, wipers must clear the windscreen effectively, and washers must provide fluid to the screen.
  • Windscreen: Checked for chips or cracks within the driver's line of sight (a crack larger than 10mm in zone A, or 40mm elsewhere, will result in a fail).
  • Horn: Must be working and of a suitable continuous volume.
  • Mirrors: Rear-view mirrors must be present, secure, and provide an adequate view.
  • Doors: Must open and close securely.
  • Registration Plates: Must be present, secure, legible, and conform to legal requirements regarding font and spacing.
  • Vehicle Identification Number (VIN): Must be present and legible.

Preparing Your Vehicle for the MOT

While the MOT test is comprehensive, many common failure points can be easily checked and rectified before your appointment. A little proactive maintenance can save you the hassle and cost of a retest. Here's a checklist to help you prepare:

Lighting Checks:

  • All Lights: Turn on your headlights (dipped and full beam), sidelights, brake lights, indicators, fog lights, and reverse lights. Walk around the car and ensure all bulbs are working correctly. Don't forget the number plate lights.
  • Bulb Colours: Ensure all lights emit the correct colour (e.g., amber for indicators, red for brake lights).

Tyre Checks:

  • Tread Depth: Use a 20p coin to check tread depth. Insert the coin into the main grooves of your tyre. If you can see the outer band of the coin, your tread is likely below the legal 1.6mm limit.
  • Condition: Look for any bulges, cuts, or cracks on the tyre walls.
  • Pressure: Ensure tyres are inflated to the manufacturer's recommended pressure.

Fluid Levels:

  • Brake Fluid: Check the reservoir level.
  • Windscreen Washer Fluid: Top this up.

Visibility Checks:

  • Wipers: Ensure wiper blades clear the windscreen effectively without leaving streaks. Replace if worn.
  • Windscreen: Inspect for chips or cracks. Remember the size limits for different zones.
  • Mirrors: Ensure all mirrors (interior and exterior) are secure and undamaged.

Other Simple Checks:

  • Horn: Give it a quick blast to ensure it works.
  • Seatbelts: Pull each seatbelt out fully and check for cuts or fraying. Ensure they retract smoothly and latch securely.
  • Number Plates: Make sure they are clean, legible, and securely fastened.
  • Doors: Open and close all doors to ensure they latch properly.

By conducting these simple checks, you can significantly increase your chances of a first-time pass and avoid unnecessary retest fees. Many garages offer pre-MOT checks, which can be a worthwhile investment if you're unsure.

Common MOT Failure Points

Despite the simplicity of some checks, many vehicles fail their MOT each year. Understanding the most common reasons for failure can further inform your pre-test preparations:

CategoryCommon FailuresPre-MOT Check
Lighting and SignallingBlown bulbs, incorrect bulb colours, faulty wiring, misaligned headlights.Check all lights for operation, colour, and cleanliness.
TyresInsufficient tread depth, bulges, cuts, incorrect tyre size/type for vehicle.Use a 20p coin to check tread; inspect for damage.
BrakesWorn pads/discs, leaks in brake lines, inefficient braking performance, ABS warning light on.Listen for grinding noises, check brake fluid, ensure handbrake holds.
SuspensionWorn shock absorbers, broken springs, excessive play in joints.Listen for knocking noises over bumps; check for fluid leaks from shocks.
VisibilityWorn wiper blades, empty washer fluid, chips/cracks in windscreen within critical areas.Test wipers and washers; inspect windscreen carefully.
Exhaust EmissionsHigh emissions, DPF removed or tampered with, noisy exhaust.Ensure no warning lights related to emissions; listen for exhaust leaks.
SteeringExcessive play in steering components, power steering fluid leaks.Check for excessive play in steering wheel; listen for unusual noises during turns.

As you can see, a significant number of failures relate to relatively simple issues that a motorist could identify and rectify before the test. This highlights the importance of regular vehicle checks, not just for the MOT but for everyday safety.

What Happens if Your Car Fails the MOT?

If your vehicle fails the MOT test, it means it does not meet the minimum safety and environmental standards to be driven on public roads. You will receive a 'Refusal of an MOT Test Certificate' document, detailing the reasons for failure. These reasons are categorised as 'Minor', 'Major', or 'Dangerous'.

  • Minor Defects: These are advisory and do not result in a fail, but should be repaired soon.
  • Major Defects: These are significant issues that mean your vehicle has failed the test and must be repaired. You cannot drive your vehicle on the road until these defects are fixed.
  • Dangerous Defects: These are severe issues that pose an immediate risk to road safety. If your vehicle has a dangerous defect, you cannot drive it on the road at all until it has been repaired. Driving with a dangerous defect is illegal and carries significant penalties.

Once your vehicle fails, you have a few options:

  1. Repair and Retest at the Same Centre: If your vehicle is repaired within 10 working days at the same test centre, you might be eligible for a free retest, or a partial retest at a reduced fee, depending on the failure item. This is often the most convenient option.
  2. Repair Elsewhere and Retest: You can take your vehicle elsewhere for repairs. However, if you bring it back to the original test centre for a retest after 10 working days, or to a different test centre, you will likely pay the full MOT test fee again. Remember, you can only drive a failed vehicle to a pre-booked MOT retest or to a place of repair, provided it is roadworthy and doesn't have a 'Dangerous' defect.

It's crucial to understand that driving a vehicle that has failed its MOT due to 'Major' or 'Dangerous' defects, or without a valid MOT certificate when one is required, is illegal. Your insurance may also be invalidated. Always ensure your vehicle is safe and legally compliant before driving.

MOT History and Reminders

The DVSA (Driver and Vehicle Standards Agency) provides an online service where you can check the MOT history of any vehicle. By simply entering the vehicle's registration number, you can view its past MOT results, including any advisories and mileage recorded at each test. This can be incredibly useful when buying a used car, as it offers insights into its maintenance history and potential recurring issues.

Many garages and online services offer free MOT reminders, which can be invaluable for busy drivers. These services typically send you an email or text message a few weeks before your MOT is due, giving you ample time to book your test and carry out any necessary pre-checks. Staying organised with your MOT due date is a simple way to avoid legal pitfalls and ensure continuous road legality.

The Importance of a Valid MOT

Beyond the legal requirement, having a valid MOT certificate is paramount for several reasons:

  • Road Safety: The primary purpose of the MOT is to ensure vehicles are safe to drive, protecting not only the driver and passengers but also other road users.
  • Environmental Responsibility: Emission checks help reduce the environmental impact of road transport by ensuring vehicles meet pollutant limits.
  • Insurance Validity: Most insurance policies require your vehicle to have a valid MOT certificate. Driving without one can invalidate your insurance, leaving you uninsured in the event of an accident.
  • Vehicle Value: A well-maintained vehicle with a consistent MOT pass history tends to hold its value better.

Frequently Asked Questions About the MOT

Here are some common questions drivers have about the MOT test:

Can I get an MOT before my current one expires?

Yes, you can have an MOT test carried out up to one month (minus a day) before your current MOT certificate expires and still keep the same expiry date. For example, if your MOT expires on 15th May, you can have it tested from 16th April and the new certificate will still run from 15th May for a full year.

What should I bring to my MOT test?

You typically only need to bring your vehicle. The test centre can access your vehicle's details and history electronically. However, it's always a good idea to have your V5C (logbook) handy, just in case.

How long does an MOT test take?

A standard MOT test usually takes between 45 and 60 minutes. However, you should allow for longer, as test centres may have other vehicles or administrative tasks to complete. It's best to plan for your vehicle to be at the centre for a few hours.

Can I watch my MOT test?

Yes, you are permitted to watch the MOT test from a designated viewing area, provided it is safe to do so and the test centre allows it. Most centres have a waiting area with a viewing window.

What if my car fails with a 'Dangerous' defect?

If your car fails with a 'Dangerous' defect, it is illegal to drive it on the road. You must have the defect repaired before you can drive the vehicle again. You cannot even drive it home unless it's to a place where the repair will be done immediately, and only if it's safe to do so (which is rarely the case with dangerous defects).

Does an MOT check the engine or gearbox?

No, the MOT test does not check the mechanical condition of the engine, clutch, or gearbox. It focuses purely on safety, roadworthiness, and environmental aspects. A service is required for comprehensive mechanical checks and maintenance.

What happens if I miss my MOT due date?

Driving a vehicle without a valid MOT certificate (unless driving to a pre-booked test or repair) is illegal. You can face a fine of up to £1,000. Your insurance may also be invalid. It's crucial to get your MOT done on time.

The annual MOT test is a cornerstone of responsible vehicle ownership in the UK. By understanding its purpose, the components it covers, and taking simple proactive steps, you can ensure your vehicle not only passes with ease but remains a safe and reliable mode of transport for you and your family. Remember, staying on top of your MOT is not just about complying with the law; it's about prioritising safety on our roads.

If you want to read more articles similar to Your MOT Test: Everything You Need to Know, you can visit the Automotive category.

Go up