Turbo whine/noise low gears low speed

Discussion in 'Mazdaspeed 3 Troubleshooting' started by lenniejames, Sep 6, 2020.

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  1. lenniejames

    lenniejames Greenie Member

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    Hi there,

    just wanting to hear from you guys if you know much about a whine/noise that’s coming from the induction system at low speeds in lower gears

    everytime I let off the throttle in 2nd and 3rd I hear a siren kind of noise faintly in the background that seems to correlate with the boost levels. Turbo bearings? How long have I got before I need to replace it?
     
    lenniejames, via an iPhone, Sep 6, 2020
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