When you notice uncommon noises on your Renault Koleos you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Renault Koleos. It is right away assimilated to an engine motor trouble and can therefore be serious. As we know that you do not take these problems lightly, we have chosen to write this content page to help you find the causes and wipe out this issues as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Renault Koleos, then what is a whistling or ratling noise at the acceleration of my Renault Koleos, then the sources of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Renault Koleos makes a high-pitched noise when I accelerate:
If your Renault Koleos generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to establish if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to carry power to the secondary components of your Renault Koleos’s engine and although it is less crucial than the timing belt it can generate engine troubles if it fails. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Renault Koleos, go to your mechanic.
Ma Renault Koleos makes whining noise when I accelerate:
- Rattling or whistling noise created by the turbo
- Humming noise caused by air leakage
If you have a power loss that occurs with the rattling noise when you accelerate with your Renault Koleos, it is possible that your turbo is declining and some of its elements are at the end of their life. Examine it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to read this document about turbo noises on Renault Koleos, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Renault Koleos, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Renault Koleos 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 Renault Koleos gets loud, then you will have to think about the rolling parts of your car. In fact, if this loud noise does not appear when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so remember to check their condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Renault Koleos noise wheels.
Ma Renault Koleos creates a noise when I accelerate that ceases when I stop accelerating:
At last, if you encounter a noise when accelerating with your Renault Koleos and this noise which could be a cliking sound tends to reduce when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. In fact, the clutch release bearings must be changed almost every 120 000 / 130 000km. To test it, you just have to see if you have more difficulty than usually 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 technician to replace the clutch release bearings on your Renault Koleos. Read our article on clutch noise on Renault Koleos for more information.
