When you observe uncommon noises on your Subaru Forester you tend to concerns about them. Especially when you feel a noise when you accelerate on your Subaru Forester. It is instantly assimilated to an engine unit trouble and can therefore be serious. As we know that you do not take these complications lightly, we have made a decision to create this content to help you find the causes and eliminate this concern as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Subaru Forester, then what is a whistling or ratling noise at the acceleration of my Subaru Forester, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Subaru Forester makes a high-pitched noise when I accelerate:
If your Subaru Forester produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your trouble. You will need to define if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to supply power to the secondary components of your Subaru Forester’s engine and although it is less crucial than the timing belt it can generate engine failure if it stops working. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Subaru Forester, go to your mechanic.
Ma Subaru Forester 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 Subaru Forester, it is plausible that your turbo is declining and some of its parts are at the end of their life. Verify it and change it if it is the reason, otherwise you risk clogging your engine in the long run. If you listen to this blowing or whistling sound on your car, feel free to read this content about turbo noises on Subaru Forester, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your Subaru Forester, it is more than likely that you have one of your junctions or air hoses that has holes. So check the complete air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Subaru Forester produces 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 Subaru Forester gets loud, then you will have to think about the rolling parts of your car. In fact, if this loud noise does not show up when you iddle, it is certainly in connection with your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so don’t forget to check their state to be sure it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Subaru Forester noise wheels.
Ma Subaru Forester makes a noise when I accelerate that ceases when I stop accelerating:
At last, if you encounter a noise when accelerating with your Subaru Forester 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 replaced almost every 120 000 / 130 000km. To evaluate 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 signs of illness, go to your auto technician to swap the clutch release bearings on your Subaru Forester. Go through our article on clutch noise on Subaru Forester for more information.
