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What Parts of My Vehicle Are Checked During an MOT Test?
Jan 22, 2025

The MOT test is a comprehensive inspection of your vehicle, ensuring it meets the required safety and environmental standards. If your vehicle is over three years old, this annual test is mandatory in the UK. But what exactly does the MOT check? So, here’s a detailed breakdown of What Parts of My Vehicle Are Checked During an MOT Test?:

1. Lighting and Signalling Systems

Properly functioning lights are essential for safe driving. The MOT checks:

Headlights (main and dipped beams)
Indicators and hazard lights
Brake lights
Rear fog light
Number plate lights

Each light must be securely attached, emit the correct colour, and operate effectively.

2. Steering and Suspension

The steering and suspension systems are crucial for vehicle control. The MOT test inspects:

Steering wheel and column for excessive movement
Power steering systems for leaks or faults
Suspension components for wear, damage, or corrosion

Faulty steering or suspension can compromise your safety and lead to a failed MOT.

3. Brakes and Braking System

Your vehicle’s braking system undergoes a thorough check to ensure it performs adequately. The inspection includes:

Brake pads, discs, and callipers for wear or damage
Brake fluid levels
Parking brake functionality
Overall braking performance using a rolling road test

4. Tyres and Wheels

Tyres must meet specific standards for tread depth and condition. The MOT test checks:

Minimum tread depth of 1.6mm across the central three-quarters
No significant cuts, bulges, or damage
Securely fitted wheels

5. Exhaust System and Emissions

The exhaust system is inspected for leaks, excessive noise, and secure attachment. Additionally, the MOT measures your vehicle’s emissions to ensure compliance with environmental standards. Vehicles emitting excessive smoke or pollutants will fail the test.

6. Bodywork and Vehicle Structure

The overall condition of your vehicle’s bodywork and structure is examined. This includes:

Rust, corrosion, or damage that could weaken the vehicle
Sharp edges that may pose a safety risk
Secure doors, boot, and bonnet

7. Seat Belts and Seats

Seat belts must function correctly and fasten securely. The test checks:

Seat belt condition, including no fraying or cuts
Seats are securely attached and adjustable

8. Windscreen, Wipers, and Washers

Visibility is vital for safe driving. The MOT checks:

Windscreen for cracks or chips larger than 10mm in the driver’s view
Wipers for effective cleaning
Washer fluid system functionality

9. Horn

The horn must be loud enough and functional to warn other road users of potential hazards.

10. Vehicle Identification Number (VIN) and Registration Plate

The VIN must be clearly visible and match the vehicle’s records. Additionally, the registration plate must:

Be securely attached
Display the correct font and spacing
Be clean and legible

What Happens if a Part Fails the MOT?

If a part doesn’t meet the required standard, your vehicle will fail the MOT. The test results will include a list of defects categorised as:

Dangerous: Must be repaired immediately, and the vehicle cannot be driven until fixed.

Major: Repairs are required before the vehicle is roadworthy.

Advisory: Issues that don’t need immediate attention but may worsen over time.

How Rooster Can Help

With the Rooster app, you can manage all aspects of your vehicle’s MOT conveniently and do so much more. The app offers MOT history checks, service reminders, and the ability to book MOTs and repairs at up to 50% less than standard rates. Rooster also has breakdown cover from just £2.99 per month and comes with a free accident assist helpline.

Download the Rooster app today and stay on top of your MOT requirements!

MOT test

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