When you observe uncommon noises on your Subaru Outback you tend to worry about them. Specifically when you feel a noise when you accelerate on your Subaru Outback. It is immediately assimilated to an engine motor issue and can therefore be critical. As we know that you do not take these problems lightly, we have decided to produce this document to help you find the causes and eliminate this matter 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 Outback, then what is a whistling or ratling noise at the acceleration of my Subaru Outback, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Subaru Outback makes a high-pitched noise when I accelerate:
If your Subaru Outback makes a loud noise when you accelerate, it is quite conceivable that the alternator belt is the reason of your issue. You will need to identify if this noise takes place abruptly 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 Subaru Outback’s engine and although it is less vital than the timing belt it can bring about engine failure 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 Subaru Outback, go to your mechanic.
Ma Subaru Outback makes whining noise when I accelerate:
- Rattling or whistling noise generated by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your Subaru Outback, it is conceivable that your turbo is failing and some of its components are at the end of their life. Check it and swap it if it is the reason, otherwise you risk blockage your engine in the long run. If you discover this blowing or whistling sound on your car, feel free to refer to this document about turbo noises on Subaru Outback, if you would like more details.
If, on the other hand, you do not get any power loss due to an humming noise on your Subaru Outback, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to locate the starting point of this acceleration sound.
Ma Subaru Outback makes 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 Outback gets loud, then you will have to check out the rolling parts of your car. In fact, if this loud noise does not surface when you iddle, it is certainly related to your transmission, and, in general, to your wheels. The most common cause is the state of your bearings, so remember to check their condition to be 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 Subaru Outback noise wheels.
Ma Subaru Outback makes a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Subaru Outback 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 cause. In fact, the clutch release bearings must be replaced approximately 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 signs of illness, go to your auto technician to replace the clutch release bearings on your Subaru Outback. Read our article on clutch noise on Subaru Outback for more information.
