What could possibly be more frustrating than noises when you start your vehicle… Indeed, you maybe already discovered noises when you start your Renault Megane 2 and in most cases it’s frustrating. It may not be anything severe, 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 editorial staff has decided to compose this content page to help you find its source. To do this, first, we will see the case of noise when starting on Renault Megane 2 but the vehicle does not start, and finally, the noise you can encounter on your vehicle if it starts, first cold and then hot.
I notice a noise when I try to start my Renault Megane 2, but the engine doesn’t start
I identify a clicking noise at the start of my Renault Megane 2
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 contributing to the issue. Indeed, if you notice clicking noise when you start your Renault Megane 2, and it sounds like a ticking, you probably lack the energy to run your starter, test your battery with a voltmeter and change it if required. In the case that after verifying your battery, you still experience a noise when starting your Renault Megane 2 and it does not want to start, consult this content page about starter motor noises on Renault Megane 2 for more information and to find the origin of your issue.
I experience a noise when I start my Renault Megane 2 but the engine it starts
I notice a noise when I start my Renault Megane 2
- Grinding or squealing type noises when I start cold Renault Megane 2 :
If you notice a noise when you start your Renault Megane 2, and this noise is like grinding or squealing noise, which can also be relating to vibrations, it is possible 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 running of the engine will be altered. Check the state of your injectors and air intake system. For more information on the origin of injection-related noises on Renault Megane 2, see this piece of content. - Cold start friction parts Renault Megane 2 :
If you know cold friction noises on Renault Megane 2, it is almost sure 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 examine your belt and change it if needed. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full content page on engine of your Renault Megane 2.
I notice a noise when starting my Renault Megane 2 even when hot
- rubber mount / silent bloc dead motor
If you notice a clacking noise 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 good to be changed. And the huge vibrations made by starting the engine can create starting noise on Renault Megane 2. Check their state and change them if needed. Browse this content page if you would like to have detailed information on rubber mount noises on Renault Megane 2. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Renault Megane 2, even when hot, it is possible 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 automobiles. When they take part in the game they make noise when you start your Renault Megane 2 and when you turn off the engine. Have his state checked by a professional.
