What could be more annoying than noises when you start your vehicle… In fact, you probably already came across noises when you start your Kia Optima and generally it’s frustrating. It could 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 team 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 Kia Optima 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 acknowledge a noise when I try to start my Kia Optima, but the engine doesn’t start
I identify a clicking noise at the start of my Kia Optima
If you acknowledge a noise when you want to start your vehicle, and it does not want to turn on, it is most likely that it is the battery that is triggering the issue. In fact, if you perceive clicking noise when you start your Kia Optima, 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 the event that after checking your battery, you still know a noise when starting your Kia Optima and it does not want to start, consult this article content about starter motor noises on Kia Optima for more details and to find the origin of your issue.
I listen to a noise when I start my Kia Optima but the engine it starts
I acknowledge a noise when I start my Kia Optima
- Grinding or squealing type noises when I start cold Kia Optima :
If you acknowledge a noise when you start your Kia Optima, and this noise sounds like grinding or squealing noise, which can also be relating to vibrations, it is plausible 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 performance of the engine will be altered. Verify the state of your injectors and air intake system. For more details on the source of injection-related noises on Kia Optima, check out this content. - Cold start friction parts Kia Optima :
If you notice cold friction noises on Kia Optima, it is pretty much 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 plausible that the tensioner roller or damper pulley is worn out and that as a result the extension belt make a friction noise, often when cold. Visually check your belt and swap it if necessary. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full article content on engine of your Kia Optima.
I acknowledge a noise when starting my Kia Optima even when hot
- rubber mount / silent bloc dead motor
If you acknowledge a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is plausible that some of your engine silentblocks or rubber mounts are good to be changed. And the huge vibrations generated by starting the engine can generate starting noise on Kia Optima. Verify their state and change them if necessary. Read this article content if you would like to have detailed details on rubber mount noises on Kia Optima. - Motor flywheel
Finally, if you experience a noise that sounds a little like a crank noise when you start your Kia Optima, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the origin of your concerns. In fact, these parts have created a lot of concerns on many cars. When they take part in the game they produce noise when you start your Kia Optima and when you turn off the engine. Have his state inspected by a professional.
