What could be more frustrating than noises when you start your automobile… In fact, you plausibly previously discovered noises when you start your seat leon and usually it’s frustrating. It may not be anything severe, but each new engine starts usually will turn into a scary moment during which you don’t know if your engine will start. That is why our editorial staff has chosen to write this content to help you find its source. To do this, first, we will see the case of noise when starting on seat leon but the automobile does not start, and finally, the noise you can encounter on your automobile if it starts, first cold and then hot.noise-when-starting-seat-leon

I hear a noise when I try to start my seat leon, but the engine doesn’t start

I identify a clicking noise at the start of my seat leon

If you hear a noise when you want to start your automobile, and it does not want to turn on, it is very likely that it is the battery that is contributing to the issue. In fact, if you notice clicking noise when you start your seat leon, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and replace it if necessary. In the case that after examining your battery, you still encounter a noise when starting your seat leon and it does not want to start, refer to this article about starter motor noises on seat leon for more information and to find the source of your issue.

I perceive a noise when I start my seat leon but the engine it starts

I hear a noise when I start my seat leon

  • Grinding or squealing type noises when I start cold seat leon :
    If you hear a noise when you start your seat leon, and this noise looks like grinding or squealing noise, which can also be linked to vibrations, it is conceivable that it is the combustion of your automobile that is involved. In fact if you have an air/fuel mixture that is not good the normal general performance of the engine will be altered. Verify the state of your injectors and air intake system. For more information on the origins of injection-related noises on seat leon, see this content.
  • Cold start friction parts seat leon :
    If you encounter cold friction noises on seat leon, it is almost sure that they come from one of your belts. Either the serpentine belt starts to wear out and therefore triggers a friction noise. It is also conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt provoke a friction noise, often when cold. Visually verify your belt and replace it if needed. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full article on engine of your seat leon.

I hear a noise when starting my seat leon even when hot

  • rubber mount / silent bloc dead motor
    If you hear a clacking noise just when you start your car’s engine and it is more than 100,000 km long, it is conceivable that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations generated by starting the engine can create starting noise on seat leon. Verify their state and replace them if needed. Browse this article if you would like to have detailed information on rubber mount noises on seat leon.
  • Motor flywheel
    Finally, if you perceive a noise that sounds a little like a crank noise when you start your seat leon, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source of your problems. In fact, these parts have created a lot of problems on many automobiles. When they take part in the game they produce noise when you start your seat leon and when you turn off the engine. Have his state checked by a professional.