When you find out about abnormal noises on your Alfa Romeo 156 you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Alfa Romeo 156. It is immediately assimilated to an engine unit trouble and can therefore be critical. As we know that you do not take these trouble lightly, we have made a decision to prepare this content page 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 Alfa Romeo 156, then what is a whistling or ratling noise at the acceleration of my Alfa Romeo 156, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Alfa Romeo 156 makes a high-pitched noise when I accelerate:
If your Alfa Romeo 156 makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your trouble. You will need to define if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to supply power to the secondary components of your Alfa Romeo 156’s engine and although it is less crucial than the timing belt it can induce engine failure if it breaks. This sound 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, verify the condition of your belt and its tension. If it causes this acceleration noise on Alfa Romeo 156, go to your auto mechanic.
Ma Alfa Romeo 156 makes whining noise when I accelerate:
- Rattling or whistling noise caused 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 Alfa Romeo 156, it is plausible that your turbo is declining and some of its parts are at the end of their life. Examine it and replace it if it is the reason, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling sound on your car, feel free to read this article about turbo noises on Alfa Romeo 156, if you would like more information.
If, on the other hand, you do not feel any power loss due to an humming noise on your Alfa Romeo 156, 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 starting point of this acceleration sound.
Ma Alfa Romeo 156 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 Alfa Romeo 156 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 necessarily in connection with your transmission, and, in general, to your wheels. The most basic reason is the state of your bearings, so make sure you verify their condition to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Alfa Romeo 156 noise wheels.
Ma Alfa Romeo 156 generates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Alfa Romeo 156 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 reason. Indeed, the clutch release bearings must be replaced almost every 120 000 / 130 000km. To check 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 symptoms, go to your mechanic to change the clutch release bearings on your Alfa Romeo 156. Look at our article on clutch noise on Alfa Romeo 156 for more information.
