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rumbling or thrumming

  1. Rumbling/thrumming sound on 147 - bearing, suspension or tyre?

    Alfa 147, 156 & GT
    Hi all I have been getting a rumbling/thrumming sound on the RR wheel of my 147 for a few months. I'd originally thought it was tyre noise, then suspected a bearing was gone but now I'm not sure. I rotated the tyres on the weekend (putting the RR on the RF) and now the rumbling is coming from...
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