What could be more disturbing than noises when you start your car… Indeed, you probably already heard noises when you start your Renault Laguna 2 and generally speaking it’s frustrating. It may not be anything serious, 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 article to help you find its origin. To do this, first, we will see the case of noise when starting on Renault Laguna 2 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 listen a noise when I try to start my Renault Laguna 2, but the engine doesn’t start
I find out a clicking noise at the start of my Renault Laguna 2
If you listen a noise when you want to start your car, and it does not want to turn on, it is very likely that it is the battery that is causing the issue. Indeed, if you listen to clicking noise when you start your Renault Laguna 2, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and swap it if required. In case that after checking out your battery, you still know a noise when starting your Renault Laguna 2 and it does not want to start, consult this article content about starter motor noises on Renault Laguna 2 for more information and to find the source of your issue.
I listen a noise when I start my Renault Laguna 2 but the engine it starts
I listen a noise when I start my Renault Laguna 2
- Grinding or squealing type noises when I start cold Renault Laguna 2 :
If you listen a noise when you start your Renault Laguna 2, 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 car 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 Laguna 2, browse this content page. - Cold start friction parts Renault Laguna 2 :
If you discern cold friction noises on Renault Laguna 2, it is pretty much 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 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 swap it if necessary. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full article content on engine of your Renault Laguna 2.
I listen a noise when starting my Renault Laguna 2 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 expired. And the huge vibrations generated by starting the engine can generate starting noise on Renault Laguna 2. Check their state and replace them if necessary. Read this article content if you would like to have detailed information on rubber mount noises on Renault Laguna 2. - Motor flywheel
Finally, if you discern a noise that sounds a little like a crank noise when you start your Renault Laguna 2, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the source 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 Renault Laguna 2 and when you turn off the engine. Have his state inspected by a specialist.
