What is the concept behind MOT?

Understanding the MOT Test

15/08/2020

Rating: 4.43 (6548 votes)

The Ministry of Transport (MOT) test is a mandatory annual inspection for vehicles that are three years old or older in the United Kingdom. Its primary purpose is to ensure that vehicles on public roads meet minimum road safety and environmental standards. It’s not about checking the overall condition of a vehicle or whether it’s running well, but rather focusing on specific components that are critical for safety and emissions.

Think of the MOT as a vital health check for your car, specifically targeting the elements that could jeopardise your safety, the safety of other road users, or contribute negatively to the environment. It's a legal requirement, and driving a vehicle without a valid MOT certificate is an offence that can lead to fines and penalty points on your driving licence.

What does an MOT test actually check?
The MOT test covers a comprehensive range of checks, all designed to ensure your vehicle is safe and compliant. These include:

  • Body and Vehicle Structure: The general condition of the car's body, including checks for excessive corrosion or damage in critical areas like the chassis, suspension, and steering components. Rust in the wrong places can significantly weaken the vehicle's structure.
  • Fuel System: The fuel system is inspected for leaks, corrosion, and the proper security of the fuel cap. A leaking fuel system is a serious fire hazard.
  • Exhaust Emissions: This is a crucial environmental check. The vehicle's exhaust emissions are measured to ensure they comply with current regulations. If your car emits too much pollution, it will fail. Diesel cars are also tested for visible smoke.
  • Exterior Lights: All exterior lights, including headlights (dipped and main beam), brake lights, indicators, hazard lights, and rear lights, are checked for correct operation, colour, and condition.
  • Bonnet, Boot and Doors: These must open and close properly from both the inside and outside. Door latches must be secure.
  • Mirrors: The condition and security of all mirrors (including the interior mirror and wing mirrors) are inspected.
  • Seatbelts: All seatbelts fitted to the vehicle must be checked for wear, damage, and correct operation. They must lock correctly.
  • Seats: Driver's seats must be adjustable, and all seats must be secure.
  • Tyres: Tyres are checked for tread depth (minimum 1.6mm across the breadth of the tread), condition (no cuts, bulges, or damage), and correct inflation. They must also be the correct type and size for the vehicle.
  • Wheels and Tyres: Wheels are checked for damage, and it's ensured that they are correctly fitted.
  • Brakes: A thorough inspection of the braking system, including the brake pedal, servo, pipes, and the condition of the brake fluid. The efficiency of the braking system is also tested on a rolling road.
  • Horn: The horn must be tested and audible.
  • Steering and Suspension: Checks include the condition of the steering wheel, steering column, power steering, suspension components (springs, shock absorbers), and wheel bearings.
  • Windscreen: The windscreen is checked for chips or cracks in the driver's direct line of sight. The size and location of damage are critical.
  • Wipers and Washers: Wipers must be in good working order, and the washers must spray the windscreen effectively.
  • Vehicle Identification Number (VIN): The VIN, usually found on the vehicle's chassis or a plate, must be clearly visible and correct.
  • Headlights Alignment: Headlight aim is checked to ensure they illuminate the road effectively without dazzling oncoming drivers.

What does an MOT failure mean?
If your vehicle fails the MOT test, it means it has identified defects that prevent it from meeting the minimum required standards. The test centre will provide you with a 'refusal of an MOT test certificate' which details the reasons for failure. These reasons are categorised into 'dangerous' and 'major' defects. Driving a vehicle with 'dangerous' defects is illegal and should be rectified immediately. You can still drive your vehicle if it has 'major' defects, but only to a pre-booked repair appointment.

Can I drive my car if it fails its MOT?
Yes, but only under specific circumstances. You can drive your car to a pre-booked appointment for repair or to a pre-booked MOT retest if its current MOT certificate has not expired. You cannot drive it for any other purpose. If your MOT has expired, you will need to arrange for it to be towed to a garage for repairs and a retest.

What happens after a successful MOT?
Upon a successful MOT test, you will be issued with an MOT certificate. This certificate is proof that your vehicle has met the minimum safety and environmental standards on the date of the test. You do not need to wait for your current MOT to expire to get a new one. You can get an MOT up to one month before your current one expires, and the new certificate will be valid from the day after your current one expires, effectively giving you up to 13 months of cover.

Key Takeaways:

  • The MOT test is a legal requirement for vehicles over three years old.
  • It focuses on road safety and environmental standards.
  • Failure means your vehicle has defects that need rectifying.
  • You can only drive a failed vehicle to a pre-booked repair or retest.
  • A valid MOT certificate is crucial for legal road use.

Regularly maintaining your vehicle, beyond just the MOT requirements, is essential for its longevity, reliability, and your overall safety. The MOT is a baseline, and proactive maintenance will often prevent unexpected failures and keep your car running smoothly and safely throughout the year. It’s a small price to pay for peace of mind and ensuring you’re a responsible and safe driver.

What is the concept behind MOT?

If you want to read more articles similar to Understanding the MOT Test, you can visit the Automotive category.

Go up