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  1. JTD - clanking /knocking from top left of the engine

    Alfa 159, Brera & 946 Spider
    Hi All, Over the past few days I have noticed a metallic knocking noise from the top left (cambelt side) of the engine. It's not there when you first start up but after a few seconds it starts and varies with engine revs. It's loud enough to hear in the car when you're driving and regular...