What can be more annoying than noises when you start your automobile… Indeed, you maybe previously found out noises when you start your Infiniti Q50 and in most cases it’s frustrating. It might not be anything severe, but each new engine starts usually turns 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 document to help you find its source. To do this, first, we will see the case of noise when starting on Infiniti Q50 but the automobile does not start, and finally, the noise you can feel on your automobile if it starts, first cold and then hot.
I hear a noise when I try to start my Infiniti Q50, but the engine doesn’t start
I identify a clicking noise at the start of my Infiniti Q50
If you hear a noise when you want to start your automobile, and it does not want to turn on, it is likely that it is the battery that is causing the issue. Indeed, if you hear clicking noise when you start your Infiniti Q50, and it sounds like a ticking, you probably lack the energy to run your starter, test out your battery with a voltmeter and change it if necessary. In case that after verifying your battery, you still know a noise when starting your Infiniti Q50 and it does not want to start, refer to this content about starter motor noises on Infiniti Q50 for more details and to find the origin of your issue.
I listen to a noise when I start my Infiniti Q50 but the engine it starts
I hear a noise when I start my Infiniti Q50
- Grinding or squealing type noises when I start cold Infiniti Q50 :
If you hear a noise when you start your Infiniti Q50, and this noise looks like grinding or squealing noise, which can also be linked to vibrations, it is plausible 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 running of the engine will be altered. Check the condition of your injectors and air intake system. For more details on the source of injection-related noises on Infiniti Q50, see this article. - Cold start friction parts Infiniti Q50 :
If you perceive cold friction noises on Infiniti Q50, 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 plausible that the tensioner roller or damper pulley is worn out and that as a result the extension belt make a friction noise, often when cold. Visually check your belt and change it if needed. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full content on engine of your Infiniti Q50.
I hear a noise when starting my Infiniti Q50 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 plausible that some of your engine silentblocks or rubber mounts are dead. And the huge vibrations generated by starting the engine can create starting noise on Infiniti Q50. Check their condition and change them if needed. Read this content if you would like to have detailed details on rubber mount noises on Infiniti Q50. - Motor flywheel
Finally, if you experience a noise that sounds a little like a crank noise when you start your Infiniti Q50, even when hot, it is plausible 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 cars. When they take part in the game they make noise when you start your Infiniti Q50 and when you turn off the engine. Have his condition inspected by a professional.
