When you discover abnormal noises on your Kia Optima you tend to stress about them. Specifically when you feel a noise when you accelerate on your Kia Optima. It is right away assimilated to an engine unit trouble and can therefore be serious. As we know that you do not take these disorders lightly, we have made a decision to create this content page to support you find the causes and get rid of this matter as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Kia Optima, then what is a whistling or ratling noise at the acceleration of my Kia Optima, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Kia Optima makes a high-pitched noise when I accelerate:
If your Kia Optima generates a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your trouble. You will need to identify if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is used to bring power to the secondary components of your Kia Optima’s engine and although it is less vital than the timing belt it can cause engine troubles if it breaks. This sound may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Kia Optima, go to your technician.
Ma Kia Optima makes whining noise when I accelerate:
- Rattling or whistling noise caused by the turbo
- Humming noise caused by air leakage
If you have a power loss that comes with the rattling noise when you accelerate with your Kia Optima, it is possible that your turbo is screwing up and some of its elements are at the end of their life. Verify it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to refer to this content about turbo noises on Kia Optima, if you would like more details.
If, on the other hand, you do not feel any power loss due to an humming noise on your Kia Optima, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the whole air supply system from your air filter to your engine to determine the source of this acceleration sound.
Ma Kia Optima generates an increasingly loud noise when I accelerate:
If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on Kia Optima gets loud, then you will have to check the rolling parts of your automobile. In fact, if this loud noise does not show up when you iddle, it is necessarily in connection with your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so don’t forget to examine their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Kia Optima noise wheels.
Ma Kia Optima makes a noise when I accelerate that ceases when I stop accelerating:
At last, if you experience a noise when accelerating with your Kia Optima and this noise which could be a cliking sound tends to end when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. In fact, the clutch release bearings must be changed approximately every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these manifestations, go to your auto mechanic to change the clutch release bearings on your Kia Optima. Read our article on clutch noise on Kia Optima for more information.
