When you come across abnormal sounds on your Cadillac XTS you tend to worry about them. Especially when you feel a noise when you accelerate on your Cadillac XTS. It is automatically assimilated to an engine issue and can therefore be considerable. As we know that you do not take these problems lightly, we have chosen to write this content page to support you find the causes and eliminate this concern as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Cadillac XTS, then what is a whistling or ratling noise at the acceleration of my Cadillac XTS, then the sources of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.noise-when-acceleratingcadillac-xts

Ma Cadillac XTS makes a high-pitched noise when I accelerate:

If your Cadillac XTS makes a loud noise when you accelerate, it is quite possible that the alternator belt is the induce of your issue. You will need to define if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to get power to the secondary components of your Cadillac XTS’s engine and although it is less important than the timing belt it can induce engine failure if it breaks. This noise may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, examine the state of your belt and its tension. If it causes this acceleration noise on Cadillac XTS, go to your auto mechanic.

Ma Cadillac XTS makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Cadillac XTS, it is conceivable that your turbo is screwing up and some of its elements are at the end of their life. Examine it and change it if it is the induce, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling noise on your car, feel free to read this article about turbo noises on Cadillac XTS, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not experience any power loss due to an humming noise on your Cadillac XTS, 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 discover the source of this acceleration sound.

Ma Cadillac XTS 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 Cadillac XTS gets loud, then you will have to look at the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most common cause is the state of your bearings, so make sure to examine their state to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Cadillac XTS noise wheels.

Ma Cadillac XTS creates a noise when I accelerate that ends when I stop accelerating:

Finally, if you experience a noise when accelerating with your Cadillac XTS 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. Indeed, the clutch release bearings must be changed around every 120 000 / 130 000km. To check 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 mechanic to change the clutch release bearings on your Cadillac XTS. Read our article on clutch noise on Cadillac XTS for more information.