When you notice unusual sounds on your Vauxkhall Astra you tend to worry about them. Especially when you feel a noise when you accelerate on your Vauxkhall Astra. It is instantly assimilated to an engine unit problem and can therefore be serious. As we know that you do not take these trouble lightly, we have made a decision to prepare this content 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 causes of a high pitched noise when accelerating with my Vauxkhall Astra, then what is a whistling or ratling noise at the acceleration of my Vauxkhall Astra, then the origins of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Vauxkhall Astra makes a high-pitched noise when I accelerate:
If your Vauxkhall Astra generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the induce of your problem. 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 used to get power to the secondary components of your Vauxkhall Astra’s engine and although it is less vital than the timing belt it can induce engine failure if it stops working. This sound may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Vauxkhall Astra, go to your mechanic.
Ma Vauxkhall Astra 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 comes with the rattling noise when you accelerate with your Vauxkhall Astra, it is possible that your turbo is declining and some of its parts are at the end of their life. Examine it and swap it if it is the induce, otherwise you risk blockage your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to consult this document about turbo noises on Vauxkhall Astra, 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 Vauxkhall Astra, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the complete air supply system from your air filter to your engine to locate the starting point of this acceleration sound.
Ma Vauxkhall Astra 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 Vauxkhall Astra gets loud, then you will have to check out the rolling parts of your automobile. Indeed, if this loud noise does not emerge when you iddle, it is certainly connected to 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 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 Vauxkhall Astra noise wheels.
Ma Vauxkhall Astra produces a noise when I accelerate that ceases when I stop accelerating:
At last, if you experience a noise when accelerating with your Vauxkhall Astra 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. Indeed, the clutch release bearings must be replaced around every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual 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 technician to change the clutch release bearings on your Vauxkhall Astra. Go through our article on clutch noise on Vauxkhall Astra for more information.
