What could possibly be more annoying than noises when you start your vehicle… In fact, you maybe previously discovered noises when you start your Volkswagen Passat and usually it’s frustrating. It might 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 prepare this document to help you find its source. To do this, first, we will see the case of noise when starting on Volkswagen Passat but the vehicle does not start, and finally, the noise you can feel on your vehicle if it starts, first cold and then hot.
I notice a noise when I try to start my Volkswagen Passat , but the engine doesn’t start
I find a clicking noise at the start of my Volkswagen Passat
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 causing the issue. In fact, if you perceive clicking noise when you start your Volkswagen Passat , and it sounds like a ticking, you almost certainly lack the energy to run your starter, test out your battery with a voltmeter and replace it if necessary. In the event that after verifying your battery, you still know a noise when starting your Volkswagen Passat and it does not want to start, consult this article about starter motor noises on Volkswagen Passat for more information and to discover the origin of your issue.
I experience a noise when I start my Volkswagen Passat but the engine it starts
I notice a noise when I start my Volkswagen Passat
- Grinding or squealing type noises when I start cold Volkswagen Passat :
If you notice a noise when you start your Volkswagen Passat , and this noise is like grinding or squealing noise, which can also be connected to vibrations, it is possible that it is the combustion of your vehicle that is involved. In fact if you have an air/fuel mixture that is not good the normal operation of the engine will be altered. Verify the state of your injectors and air intake system. For more information on the origins of injection-related noises on Volkswagen Passat , check out this article content. - Cold start friction parts Volkswagen Passat :
If you encounter cold friction noises on Volkswagen Passat , 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 triggers a friction noise, often when cold. Visually check your belt and replace it if required. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full article on engine of your Volkswagen Passat .
I notice a noise when starting my Volkswagen Passat 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 dead. And the huge vibrations made by starting the engine can produce starting noise on Volkswagen Passat . Verify their state and swap them if required. Consult this article if you would like to have detailed information on rubber mount noises on Volkswagen Passat . - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Volkswagen Passat , even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the origin of your trouble. In fact, these parts have created a lot of trouble on many cars. When they take part in the game they generate noise when you start your Volkswagen Passat and when you turn off the engine. Have his state examined by a specialist.