When you detect abnormal sounds on your Opel Insignia you tend to concerns about them. Especially when you feel a noise when you accelerate on your Opel Insignia. It is immediately assimilated to an engine issue and can therefore be serious. As we know that you do not take these disorders lightly, we have decided to prepare this document to support 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 Opel Insignia, then what is a whistling or ratling noise at the acceleration of my Opel Insignia, then the sources of a noise that intensifies during acceleration and at last a noise that stops when I stop accelerating.
Ma Opel Insignia makes a high-pitched noise when I accelerate:
If your Opel Insignia generates a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your issue. You will need to identify if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to carry power to the secondary components of your Opel Insignia’s engine and although it is less important than the timing belt it can bring about engine troubles if it fails. This noise 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, verify the state of your belt and its tension. If it causes this acceleration noise on Opel Insignia, go to your technician.
Ma Opel Insignia 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 occurs with the rattling noise when you accelerate with your Opel Insignia, it is possible that your turbo is declining and some of its components are at the end of their life. Examine it and swap it if it is the reason, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to consult this content about turbo noises on Opel Insignia, 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 Opel Insignia, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the complete air supply system from your air filter to your engine to discover the source of this acceleration sound.
Ma Opel Insignia 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 Opel Insignia gets loud, then you will have to look at the rolling parts of your car. In fact, 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 reason is the state of your bearings, so make sure you verify their state to make sure it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Opel Insignia noise wheels.
Ma Opel Insignia makes a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Opel Insignia 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 reason. In fact, the clutch release bearings must be changed approximately 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 mechanic to swap the clutch release bearings on your Opel Insignia. Go through our article on clutch noise on Opel Insignia for more information.
