SOURCE: when I start up my 2002 A4 Turbo Quattro there is
sounds like a timimg chain or a loose tappatt guide does it go away after runs for a while ?
sounds like bad valve seats or seals do you have a oil pressure gauge on your dash.check the pressure.then check your return ports on top of the head thats giving you the problem see if the oil is returning to the oil pan.sometimes the return ports become blocked and the oil stays on top of the head.and see if the oil supply is making up to the head.hope this helps.mark
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