### The Most Common MOT Fails and How to Avoid Them
Passing the MOT test is crucial for every car owner in the UK. Understanding common reasons for MOT failures can help you prepare. Here are the most common MOT fails and tips on how to avoid them.
**1. Lights and Signalling**
Lights are a frequent cause of MOT failures. Ensure all lights are working properly. Check headlights, indicators, brake lights, and reverse lights. Replace any bulbs that are not functioning. Make sure the lights are correctly aligned.
**2. Tyres and Wheels**
Tyre issues are another common reason for failure. Check the tread depth on all tyres. It should be at least 1.6mm. Ensure there are no cuts, bulges, or other damage. Maintain proper tyre pressure. Uneven tyre wear can indicate alignment problems.
**3. Brakes**
Faulty brakes often lead to MOT Fails. Ensure your brakes are functioning effectively. Test both the foot brake and the handbrake. Listen for any unusual noises. If the brakes feel spongy, get them checked by a professional.
**4. Suspension**
Suspension problems can cause a car to fail its MOT. Check for any signs of wear in the suspension. Look for leaks from shock absorbers. Listen for any knocking noises when driving. Get any issues fixed before the test.
**5. Windscreen and Wipers**
Windscreen damage is a common reason for failure. Inspect your windscreen for any cracks or chips. Damage larger than 10mm in the driver’s line of sight can fail the test. Ensure your wipers are in good condition and replace them if necessary.
**6. Exhaust and Emissions**
Emissions issues are a frequent cause of failures. Inspect the exhaust for leaks or excessive noise. A noisy or damaged exhaust can fail the test. Make sure the emissions are within the acceptable limits.
**7. Seatbelts**
Seatbelt issues can cause an MOT failse. Ensure all seatbelts are working properly. They should clip in securely and retract fully. Check for any signs of wear or damage.
**8. Steering**
Steering problems often lead to failures. Ensure your steering is responsive and smooth. There should be no excessive play or stiffness. Listen for any unusual sounds when turning the wheel.
**9. Registration Plates**
Registration plate issues can cause a failure. Ensure your registration plates are clean and readable. The font should be the correct size and style. Plates should not be cracked or broken.
**10. Fuel System**
A faulty fuel system can fail the MOT. Check for any leaks or damage in the fuel system. Make sure the fuel cap seals properly.
How to Avoid Common MOT Fails
**1. Regular Maintenance**
Regular maintenance is crucial for preventing MOT failures. Follow the manufacturer’s service schedule. Address any issues as soon as they arise. Regular checks help identify potential problems early.
**2. Pre-MOT Checks**
Conduct pre-MOT checks to identify issues. Many garages offer pre-MOT inspections. This service helps find and fix problems before the actual test.
**3. Keep Documentation**
Maintain records of all repairs and services. These records help track your car’s condition. Presenting these records can be beneficial during the MOT.
**4. Use Quality Parts**
Use quality parts for repairs and replacements. Cheap or substandard parts can lead to failures. Quality parts ensure your car meets the required standards.
**5. Regular Driving**
Regular driving keeps your car in good condition. It prevents issues like flat batteries and seized brakes. Ensure your car is in regular use before the MOT.
**6. Check Lights Regularly**
Regularly check all lights for functionality. Replace any faulty bulbs immediately. Properly aligned lights are crucial for passing the MOT.
**7. Monitor Tyre Condition**
Regularly check tyre tread depth and condition. Ensure tyres are properly inflated. Address any signs of uneven wear.
**8. Test Brakes Often**
Frequently test your brakes for effectiveness. Listen for unusual noises. Get any issues fixed by a professional.
**9. Inspect Suspension**
Regularly check for signs of suspension wear. Address any leaks or knocking noises. Ensure your suspension is in good condition.
**10. Clean Your Car**
A clean car makes a good impression. It also allows the tester to see clearly. Clean the windows, mirrors, lights, and number plates.
**11. Check Windscreen**
Regularly inspect your windscreen for damage. Replace damaged wipers immediately. Ensure the windscreen provides clear visibility.
**12. Test the Horn**
Frequently test the horn for a loud, clear sound. Fix any issues immediately. A working horn is essential for passing the MOT.
**13. Monitor Exhaust**
Regularly check the exhaust for leaks or noise. Ensure emissions are within acceptable limits. Consider a pre-MOT emissions check.
**14. Secure Seats and Seatbelts**
Regularly inspect seats and seatbelts for security and damage. Address any issues promptly. Ensure seatbelts clip and retract properly.
**15. Verify Registration Plates**
Ensure your registration plates are clean and legible. Replace any cracked or broken plates. Use the correct font and size.
**16. Check Fluid Levels**
Regularly top up essential fluids. This includes engine oil, brake fluid, coolant, and washer fluid. Low fluid levels can cause a failure.
**17. Warm Up the Engine**
A warm engine performs better in emissions tests. Drive your car for at least 20 minutes before the test. This ensures accurate results.
**18. Listen for Noises**
Pay attention to any unusual noises. Strange sounds can indicate underlying issues. Address these before the test.
**19. Seek Professional Help**
If unsure, seek help from a professional mechanic. They can perform a thorough check. Professional advice ensures your car is ready for the MOT.
**20. Book the Test Early**
Book your MOT test in advance. This allows time for repairs if your car fails. Avoid last-minute rush and potential fines.
**Conclusion**
Understanding common MOT failures helps you prepare better. Regular maintenance and proactive checks can prevent failures. Following this guide ensures your car is roadworthy and compliant. A well-prepared car increases the chances of passing the MOT successfully.
