What could be more frustrating than noises when you start your vehicle… Indeed, you probably already heard noises when you start your Infiniti QX50 and generally it’s frustrating. It might not be anything major, 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 decided to prepare this content to support you find its source. To do this, first, we will see the case of noise when starting on Infiniti QX50 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 notice a noise when I try to start my Infiniti QX50, but the engine doesn’t start
I notice a clicking noise at the start of my Infiniti QX50
If you notice a noise when you want to start your vehicle, and it does not want to turn on, it is likely that it is the battery that is triggering the problem. Indeed, if you notice clicking noise when you start your Infiniti QX50, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and change it if necessary. In the case that after looking at your battery, you still encounter a noise when starting your Infiniti QX50 and it does not want to start, browse this content page about starter motor noises on Infiniti QX50 for more information and to discover the origin of your problem.
I acknowledge a noise when I start my Infiniti QX50 but the engine it starts
I notice a noise when I start my Infiniti QX50
- Grinding or squealing type noises when I start cold Infiniti QX50 :
If you notice a noise when you start your Infiniti QX50, and this noise sounds like grinding or squealing noise, which can also be connected 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 performance of the engine will be altered. Examine the state of your injectors and air intake system. For more information on the source of injection-related noises on Infiniti QX50, browse this content. - Cold start friction parts Infiniti QX50 :
If you experience cold friction noises on Infiniti QX50, 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 conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt causes a friction noise, often when cold. Visually verify 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 page on engine of your Infiniti QX50.
I notice a noise when starting my Infiniti QX50 even when hot
- rubber mount / silent bloc dead motor
If you notice a clacking noise just as 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 dead. And the huge vibrations made by starting the engine can create starting noise on Infiniti QX50. Examine their state and change them if needed. Browse this content page if you would like to have detailed information on rubber mount noises on Infiniti QX50. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Infiniti QX50, even when hot, it is conceivable 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 vehicles. When they take part in the game they make noise when you start your Infiniti QX50 and when you turn off the engine. Have his state checked by a professional.
