What could possibly be more distressing than noises when you start your vehicle… Indeed, you maybe already heard noises when you start your Toyota Avalon and generally it’s frustrating. It could not be anything critical, 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 create this content page to support you find its origin. To do this, first, we will see the case of noise when starting on Toyota Avalon 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 Toyota Avalon, but the engine doesn’t start
I notice a clicking noise at the start of my Toyota Avalon
If you notice 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 contributing to the issue. Indeed, if you experience clicking noise when you start your Toyota Avalon, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and replace it if required. In case that after looking at your battery, you still know a noise when starting your Toyota Avalon and it does not want to start, consult this content about starter motor noises on Toyota Avalon for more information and to locate the origin of your issue.
I listen to a noise when I start my Toyota Avalon but the engine it starts
I notice a noise when I start my Toyota Avalon
- Grinding or squealing type noises when I start cold Toyota Avalon :
If you notice a noise when you start your Toyota Avalon, and this noise sounds 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. Indeed if you have an air/fuel mixture that is not good the normal performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more information on the origin of injection-related noises on Toyota Avalon, see this content. - Cold start friction parts Toyota Avalon :
If you perceive cold friction noises on Toyota Avalon, it is practically 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 causes a friction noise, often when cold. Visually examine your belt and replace it if necessary. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full content on engine of your Toyota Avalon.
I notice a noise when starting my Toyota Avalon even when hot
- rubber mount / silent bloc dead motor
If you notice a clacking noise just 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 Toyota Avalon. Examine their condition and change them if necessary. Read this content if you would like to have detailed information on rubber mount noises on Toyota Avalon. - Motor flywheel
Finally, if you perceive a noise that sounds a little like a crank noise when you start your Toyota Avalon, 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 vehicles. When they take part in the game they make noise when you start your Toyota Avalon and when you turn off the engine. Have his condition inspected by a professional.
