What can be more frustrating than noises when you start your automobile… Indeed, you plausibly already found out noises when you start your Volkswagen Jetta and generally it’s frustrating. It may not be anything serious, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our team has decided to create this content to support you find its source. To do this, first, we will see the case of noise when starting on Volkswagen Jetta but the automobile does not start, and finally, the noise you can experience on your automobile if it starts, first cold and then hot.
I experience a noise when I try to start my Volkswagen Jetta, but the engine doesn’t start
I find a clicking noise at the start of my Volkswagen Jetta
If you experience 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 triggering the issue. Indeed, if you acknowledge clicking noise when you start your Volkswagen Jetta, 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 verifying your battery, you still know a noise when starting your Volkswagen Jetta and it does not want to start, read this content about starter motor noises on Volkswagen Jetta for more details and to discover the origin of your issue.
I listen to a noise when I start my Volkswagen Jetta but the engine it starts
I experience a noise when I start my Volkswagen Jetta
- Grinding or squealing type noises when I start cold Volkswagen Jetta :
If you experience a noise when you start your Volkswagen Jetta, 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 automobile that is involved. Indeed if you have an air/fuel mixture that is not good the normal operation of the engine will be altered. Check the condition of your injectors and air intake system. For more details on the origin of injection-related noises on Volkswagen Jetta, see this article content. - Cold start friction parts Volkswagen Jetta :
If you experience cold friction noises on Volkswagen Jetta, 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 possible that the tensioner roller or damper pulley is worn out and that as a result the extension belt triggers a friction noise, often when cold. Visually verify your belt and change it if necessary. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full content on engine of your Volkswagen Jetta.
I experience a noise when starting my Volkswagen Jetta even when hot
- rubber mount / silent bloc dead motor
If you experience 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 make starting noise on Volkswagen Jetta. Check their condition and swap them if necessary. Read this content if you would like to have detailed details on rubber mount noises on Volkswagen Jetta. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Volkswagen Jetta, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the origin of your trouble. Indeed, these parts have created a lot of trouble on many cars. When they take part in the game they make noise when you start your Volkswagen Jetta and when you turn off the engine. Have his condition checked out by a specialist.
