What could be more disturbing than noises when you start your vehicle… In fact, you probably previously discovered noises when you start your Audi A2 and generally speaking it’s frustrating. It might not be anything serious, 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 team has chosen to prepare this content page to help you find its source. To do this, first, we will see the case of noise when starting on Audi A2 but the vehicle does not start, and finally, the noise you can feel on your vehicle if it starts, first cold and then hot.
I listen to a noise when I try to start my Audi A2, but the engine doesn’t start
I find a clicking noise at the start of my Audi A2
If you listen to a noise when you want to start your vehicle, and it does not want to turn on, it is most likely that it is the battery that is contributing to the trouble. In fact, if you perceive clicking noise when you start your Audi A2, and it sounds like a ticking, you probably 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 experience a noise when starting your Audi A2 and it does not want to start, read this article about starter motor noises on Audi A2 for more details and to locate the source of your trouble.
I experience a noise when I start my Audi A2 but the engine it starts
I listen to a noise when I start my Audi A2
- Grinding or squealing type noises when I start cold Audi A2 :
If you listen to a noise when you start your Audi A2, and this noise is like grinding or squealing noise, which can also be related to vibrations, it is possible that it is the combustion of your vehicle 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 condition of your injectors and air intake system. For more details on the source of injection-related noises on Audi A2, see this article. - Cold start friction parts Audi A2 :
If you experience cold friction noises on Audi A2, it is pretty much certain 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 possible 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 required. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full article on engine of your Audi A2.
I listen to a noise when starting my Audi A2 even when hot
- rubber mount / silent bloc dead motor
If you listen to a clacking noise just when 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 expired. And the huge vibrations generated by starting the engine can create starting noise on Audi A2. Verify their condition and change them if required. Read this article if you would like to have detailed details on rubber mount noises on Audi A2. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Audi A2, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source of your concerns. In fact, these parts have created a lot of concerns on many vehicles. When they take part in the game they produce noise when you start your Audi A2 and when you turn off the engine. Have his condition inspected by a mecanist.
