What can be more disturbing than noises when you start your vehicle… Indeed, you maybe already found out noises when you start your Audi Q7 and usually it’s frustrating. It could not be anything critical, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our team has decided to write this content to help you find its origin. To do this, first, we will see the case of noise when starting on Audi Q7 but the vehicle does not start, and finally, the noise you can experience on your vehicle if it starts, first cold and then hot.
I listen a noise when I try to start my Audi Q7, but the engine doesn’t start
I notice a clicking noise at the start of my Audi Q7
If you listen a noise when you want to start your vehicle, and it does not want to turn on, it is very likely that it is the battery that is contributing to the problem. Indeed, if you notice clicking noise when you start your Audi Q7, and it sounds like a ticking, you almost certainly lack the energy to run your starter, test out your battery with a voltmeter and change it if required. In case that after examining your battery, you still encounter a noise when starting your Audi Q7 and it does not want to start, browse this content page about starter motor noises on Audi Q7 for more details and to locate the origin of your problem.
I experience a noise when I start my Audi Q7 but the engine it starts
I listen a noise when I start my Audi Q7
- Grinding or squealing type noises when I start cold Audi Q7 :
If you listen a noise when you start your Audi Q7, 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 vehicle that is involved. Indeed if you have an air/fuel mixture that is not good the normal operation of the engine will be altered. Examine the state of your injectors and air intake system. For more details on the origin of injection-related noises on Audi Q7, browse this content. - Cold start friction parts Audi Q7 :
If you experience cold friction noises on Audi Q7, it is practically certain 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 conceivable 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 change it if necessary. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full content page on engine of your Audi Q7.
I listen a noise when starting my Audi Q7 even when hot
- rubber mount / silent bloc dead motor
If you listen 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 produced by starting the engine can generate starting noise on Audi Q7. Examine their state and change them if necessary. Consult this content page if you would like to have detailed details on rubber mount noises on Audi Q7. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Audi Q7, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the origin of your problems. Indeed, these parts have created a lot of problems on many cars. When they take part in the game they make noise when you start your Audi Q7 and when you turn off the engine. Have his state checked by a professional.