When you observe unusual noises on your Subaru Crosstrek you tend to concerns about them. Especially when you feel a noise when you accelerate on your Subaru Crosstrek. It is right away assimilated to an engine issue and can therefore be significant. As we know that you do not take these trouble lightly, we have decided to compose this document to help you find the causes and wipe out 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 Crosstrek, then what is a whistling or ratling noise at the acceleration of my Subaru Crosstrek, then the sources of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.
Ma Subaru Crosstrek makes a high-pitched noise when I accelerate:
If your Subaru Crosstrek makes a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your issue. You will need to determine if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to carry power to the secondary components of your Subaru Crosstrek’s engine and although it is less crucial than the timing belt it can bring about engine failure 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 at fault. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Subaru Crosstrek, go to your mechanic.
Ma Subaru Crosstrek 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 comes with the rattling noise when you accelerate with your Subaru Crosstrek, it is conceivable that your turbo is declining and some of its elements are at the end of their life. Examine it and swap 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 consult this document about turbo noises on Subaru Crosstrek, if you would like more details.
If, on the other hand, you do not experience any power loss due to an humming noise on your Subaru Crosstrek, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the entire air supply system from your air filter to your engine to discover the starting point of this acceleration sound.
Ma Subaru Crosstrek 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 Crosstrek gets loud, then you will have to check the rolling parts of your vehicle. In fact, if this loud noise does not emerge when you iddle, it is surely connected to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so remember to verify their state to make sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Subaru Crosstrek noise wheels.
Ma Subaru Crosstrek creates a noise when I accelerate that ends when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Subaru Crosstrek and this noise which could be a cliking sound tends to stop 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 around every 120 000 / 130 000km. To test it, you just have to see if you have more difficulty than every time 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 technician to change the clutch release bearings on your Subaru Crosstrek. Go through our article on clutch noise on Subaru Crosstrek for more information.
