What can be more frustrating than noises when you start your car… Indeed, you maybe previously listened to noises when you start your Renault Koleos and in general it’s frustrating. It might not be anything significant, 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 create this article to help you find its origin. To do this, first, we will see the case of noise when starting on Renault Koleos but the car does not start, and finally, the noise you can feel on your car if it starts, first cold and then hot.
I experience a noise when I try to start my Renault Koleos, but the engine doesn’t start
I notice a clicking noise at the start of my Renault Koleos
If you experience a noise when you want to start your car, and it does not want to turn on, it is most likely that it is the battery that is triggering the trouble. Indeed, if you experience clicking noise when you start your Renault Koleos, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and swap it if required. In the event that after checking your battery, you still experience a noise when starting your Renault Koleos and it does not want to start, read this article content about starter motor noises on Renault Koleos for more details and to discover the origin of your trouble.
I experience a noise when I start my Renault Koleos but the engine it starts
I experience a noise when I start my Renault Koleos
- Grinding or squealing type noises when I start cold Renault Koleos :
If you experience a noise when you start your Renault Koleos, and this noise looks like grinding or squealing noise, which can also be related to vibrations, it is plausible that it is the combustion of your car 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. Verify the condition of your injectors and air intake system. For more details on the origin of injection-related noises on Renault Koleos, browse this article. - Cold start friction parts Renault Koleos :
If you discern cold friction noises on Renault Koleos, it is practically 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 plausible 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 check your belt and swap it if required. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full article content on engine of your Renault Koleos.
I experience a noise when starting my Renault Koleos even when hot
- rubber mount / silent bloc dead motor
If you experience 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 expired. And the huge vibrations produced by starting the engine can create starting noise on Renault Koleos. Verify their condition and swap them if required. Read this article content if you would like to have detailed details on rubber mount noises on Renault Koleos. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Renault Koleos, even when hot, it is plausible 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 produce noise when you start your Renault Koleos and when you turn off the engine. Have his condition examined by a mecanist.
