What can be more disturbing than noises when you start your vehicle… Indeed, you maybe previously heard noises when you start your Toyota Prius 2 and in general it’s frustrating. It could 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 write this article to support you find its origin. To do this, first, we will see the case of noise when starting on Toyota Prius 2 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 perceive a noise when I try to start my Toyota Prius 2, but the engine doesn’t start
I detect a clicking noise at the start of my Toyota Prius 2
If you perceive a noise when you want to start your vehicle, 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 perceive clicking noise when you start your Toyota Prius 2, and it sounds like a ticking, you most likely lack the energy to run your starter, test out your battery with a voltmeter and replace it if required. In case that after checking your battery, you still know a noise when starting your Toyota Prius 2 and it does not want to start, consult this content page about starter motor noises on Toyota Prius 2 for more info and to locate the source of your issue.
I listen a noise when I start my Toyota Prius 2 but the engine it starts
I perceive a noise when I start my Toyota Prius 2
- Grinding or squealing type noises when I start cold Toyota Prius 2 :
If you perceive a noise when you start your Toyota Prius 2, and this noise looks like grinding or squealing noise, which can also be related 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 operation of the engine will be altered. Check the state of your injectors and air intake system. For more info on the origin of injection-related noises on Toyota Prius 2, check out this content page. - Cold start friction parts Toyota Prius 2 :
If you notice cold friction noises on Toyota Prius 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 possible 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 replace 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 Toyota Prius 2.
I perceive a noise when starting my Toyota Prius 2 even when hot
- rubber mount / silent bloc dead motor
If you perceive a clacking noise just as 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 produced by starting the engine can make starting noise on Toyota Prius 2. Check their state and swap them if needed. Browse this content page if you would like to have detailed info on rubber mount noises on Toyota Prius 2. - Motor flywheel
Finally, if you discern a noise that sounds a little like a crank noise when you start your Toyota Prius 2, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. Indeed, these parts have created a lot of trouble on many automobiles. When they take part in the game they make noise when you start your Toyota Prius 2 and when you turn off the engine. Have his state checked by a mecanist.
