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exhaust noise

  1. Bag of Spanners - intermittent

    Engine & Gearbox
    I have the dreaded "Bag of Spanners" noise, loud, coming from the middle of the underside. I assume it is the catalytic converter breaking up, except it is intermittent. I first noticed it when my foot was on the brake pedal after stopping, leading me to think it might be the brake servo...
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