Do you hear an engine noise on your Kia Optima when you drive your car? We can understand that this is very worrying and that you are questioning. Listening such a noise is not always a good sign, but it may also be nothing severe. To help you solve this issue, our team has chosen to produce this content page to help you in this investigation. In order to accomplish this research as accurately as possible, we will first focus on clicking noises, then on whistling noises and, finally, on engine noises on Kia Optima metal type.
I hear a clicking engine noise Kia Optima
In case you detect a clicking engine noise on your Kia Optima, and that this noise is close to a click, you will have to find the origin area of it to be able to know the cause of it. You will need a mechanical stethoscope or a large screwdriver to locate the original area of these noises.
I hear a clicking noise coming from my high engine
If you hear an engine noise on Kia Optima, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying parts. Two parts can be the triggers of these engine noises on Kia Optima. Either the hydraulic pushers, in general it is because of their faulty “hydraulic catch-up” system that we will hear these clicking noises, often when cold and disappears when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the concern. In such a case, consider swapping them.
I hear a noise coming from the bottom engine of my Kia Optima
If you have found the area of origin of engine noise on Kia Optima that comes from your low engine, it may be that your rods or piston shafts are the triggers. In both cases, the long-term risk is engine failure. These two repairs are very difficult and most mechanics will advise you to swap the motor of your Kia Optima.
I hear an engine clicking noise on Kia Optima coming from combustion
Finally, if you think that this clicking noise is related to the combustion of your engine, there are three conceivable triggers of it. Check the state of your glow plugs which if worn can hinder the proper combustion of the fuel mixture. Then, your timing belt may be shifted and may poorly manage the timing of the various engine components to provide good combustion. And finally, the most classic cause, comes from your injection, which is either blocked or one or more injectors is affected. In this case, do not hesitate to consult this content page which deals in detail with the distinct injector noises on Kia Optima.
Hissing noise / engine friction Kia Optima
Engine noise Kia Optima close to a bearing
If it is close to a squeaking noise you may have one of the bearings of your engine accessory parts that are reached. So examine the state and try to discover the exact origin of this noise by positioning someone at the engine at idle, and if this noise is more likely to occur in high rpm, accelerate and position someone at the engine block to establish the location of origin of the noise. The three parts whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.
Engine noise Kia Optima when releasing or depressing the clutch
In the event that you find engine noise on Kia Optima, but this noise happens mainly when you release or depress your clutch pedal, in such a case it is very likely that your release bearing is worn. Indeed, a worn release bearing will make a noise close to a bell noise. To have more info about this noise and if you have managed to validate that the release bearing is indeed the cause of your concerns, go here, to find a complete file on release bearing sounds on Kia Optima.
Engine noise Kia Optima close to a friction
In the case that you hear a motor noise on your Kia Optima, and, that this noise is close to a friction, it is likely that one of your belts or one of the components that triggers it is the source of your concerns.Often, we will start to hear a motor noise on Kia Optima, close to a friction when one of the belts is worn out or when one of the related parts like your alternator, or your tensioner roller is the issue. So please remember to examine their state and go to your auto mechanic to swap the parts in question. If you have been able to target the noise as coming from the belts and you want more information about it, take a look at this content page on belt noise on Kia Optima for a complete guide.
Metal motor noise Kia Optima
In the case that you hear an engine noise on Kia Optima and this noise is close to metal noise, it is conceivable that this noise comes from your gearbox or clutch. Indeed, a metallic noise in the engine block is often connected with damaged sprockets. Try to examine that this noise comes from the transmission, if this is the case, as soon as possible go to your technician or you would get a break down. Finally, the second possibility is that your silent engine blocks or rubber mounts may be dead. This triggers a metallic noise every time your engine moves, either because of a change of pace (acceleration or braking) or, when you drive on roads in poor state. Check the state of your silentblocks and swap them if required. If you want to have more info about rubber mounts noises on Kia Optima, read this content page which gives you more info about the distinct types of noise and their origins.
