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Whining noise from engine bay

neilbaker99
neilbaker99
in Ford Fiesta Club

Featured Replies

Hi there,

Does anyone know what’s causing this whining noise? I started it the other morning and it was there, but hadn’t been there the previous day.

First I thought it was the turbo, but the noise goes up and down with the engine revs and if you press on and off the accelerator, the noise follows the engine revs, so nothing to do with turbo spooling.

thanks in advance for any ideas 😉

Neil
https://share.icloud.com/photos/0p1lH3zcKYLfjPaj2_hWjloEw 

  • Quote


    Alternator? Alternator belt tensioner bearing?

  • Quote
    • Author
    3 hours ago, Stoney871 said:

    Intercooler hose?

    Sent from my SM-G965F using Tapatalk
     

    Don’t think it could be that. I’ve had that on my golf and was more of a hissing noise and lost power

  • Quote
    • Author
    2 hours ago, isetta said:

    Alternator? Alternator belt tensioner bearing?

    This sounds like a good possibility. I’ll have a closer look tomorrow after work, hopefully if the rain finally stops!

  • Quote
    • Author

    Well I charged the battery and started the car. Checked with meter and it’s charging, but not under load. Also had it confirmed by the company I purchased the new alternator from. Just need to fit it now!

    Can anyone tell me if  I can just remove the tension on the belt to remove it , instead of cutting the belt off , as I saw in one Youtube Video.

    thanks

  • Quote

    If I was fitting a new alternator I'd use a new belt.

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    Assuming yours does have a spring loaded tensioner wheel on it you need to release the tension and then take belt off the pulley. Not sure exactly what it looks like on yours.

  • Quote

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