What can be more disturbing than noises when you start your automobile… Indeed, you probably already noticed noises when you start your Lexus UX and in most cases it’s frustrating. It might 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 decided to produce this content to support you find its origin. To do this, first, we will see the case of noise when starting on Lexus UX 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-lexus-ux

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

I find out a clicking noise at the start of my Lexus UX

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 triggering the issue. Indeed, if you listen clicking noise when you start your Lexus UX, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and replace it if required. In the case that after checking your battery, you still encounter a noise when starting your Lexus UX and it does not want to start, consult this article content about starter motor noises on Lexus UX for more information and to discover the origin of your issue.

I notice a noise when I start my Lexus UX but the engine it starts

I hear a noise when I start my Lexus UX

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

I hear a noise when starting my Lexus UX even when hot

  • rubber mount / silent bloc dead motor
    If you hear a clacking noise just as you start your car’s engine and it is more than 100,000 km long, it is possible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations produced by starting the engine can make starting noise on Lexus UX. Check their state and swap them if required. Read this article content if you would like to have detailed information on rubber mount noises on Lexus UX.
  • Motor flywheel
    Finally, if you hear a noise that sounds a little like a crank noise when you start your Lexus UX, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the origin of your concerns. Indeed, these parts have created a lot of concerns on many automobiles. When they take part in the game they make noise when you start your Lexus UX and when you turn off the engine. Have his state inspected by a specialist.