what do they check on an mot

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Nature

An MOT (Ministry of Transport) test checks a wide range of safety, roadworthiness, and emissions aspects of a vehicle to ensure it meets legal requirements for on-road use. Here’s a concise overview of the main areas typically inspected and what testers look for. What’s checked

  • Brakes and braking system
    • Condition of discs/pads, wear indicators, and brake fluid
    • Function of the brake pedal, ABS (if fitted), and the handbrake’s effectiveness
    • Braking efficiency and balance on rollers; checks for straight stopping and no pulling to one side
  • Lighting and signaling
    • Operation of all lights: headlights, tail lights, brake lights, indicators, hazards, license plate illumination, and any daytime running lights
    • Proper alignment and brightness where applicable
  • Steering and suspension
    • Steering wheel security and play; condition of steering column and linkages
    • Suspension components, springs, and shock absorbers for excessive wear or damage
  • Tyres and wheels
    • Minimum tread depth, even wear, and no bulges or cuts
    • Correct aspects like wheel condition, valve stems, and on-wheel alignment
  • Seatbelts and safety equipment
    • Seatbelts for fraying, cuts, and securing mechanisms; proper operation of pretensioners and anchor points
  • Body and interior checks
    • Structural integrity, corrosion in critical areas, and sharp edges that could injure pedestrians
    • Windscreen condition, mirrors, and general visibility
  • Exhaust and emissions
    • Exhaust system integrity, leaks, and mounting
    • Emissions testing appropriate to age/fuel type; visual smoke check and, when applicable, gas analysis
  • Fuel system and electrical
    • No fuel leaks; secure hoses and caps
    • Electrical wiring and general electrical system condition for safety
  • Vehicle identification and documentation
    • VIN/stamping and other identifiers, along with any modifications or modifications’ safety implications
  • Underbody and general condition
    • Visual inspection for obvious structural damage, rust near critical components, and overall roadworthiness

How to prepare to improve your chances

  • Ensure tyres have adequate tread and are inflated to the recommended pressures
  • Check all lights, indicators, and the horn; replace any blown bulbs
  • Test and secure seatbelts; ensure buckles latch properly
  • Have brakes inspected and serviced if there are any squeaks, poor feel, or pulling
  • Address corrosion or damage on the body and underbody, especially near the suspension and braking components
  • Keep the exhaust system intact and check for leaks or excessive noise
  • Have a fully warmed-up engine for emissions testing and don’t tamper with emissions-related settings

If you want, I can tailor guidance to your specific vehicle (make, model, year) and explain which items are most likely to fail or pass based on common issues for that type.