Low Oil Pressure Mystery

Dave dave.eaton at clear.net.nz
Fri Jul 1 13:58:29 PDT 2011


is the baffle ok?

dave
'08 rs6 avant
'04 allroad tdi

On 2/07/11 7:00 AM, Douglas Fifield <douglas.fifield at gmail.com> wrote:
>
>Hedz,
>
>Patient is an 01 A4 1.8T belonging to my GF.  The car was bought used
>with about 80K on the clock.  It has been throwing low oil pressure
>warnings for some time.  Car needs to be completely warmed up and the
>warning light flickers on periodically for a few seconds and goes off
>- usually when going uphill.
>
>We dropped the pan expecting to find signs of sludge, but did not.
>What we did find were small, bright, non-magnetic shavings.  We
>theorized that the shavings were being sucked up against the intake
>screen and reducing the oil flow.  Cleaned everything out and buttoned
>up the car.  Problem was not fixed.
>
>Pulled the valve cover thinking that if aluminum was flaking off
>somewhere, that was the likely place.  All cam bearings look good.  No
>sign of wear.
>
>The engine sounds good.  No knocks or other unusual sounds.
>Compression is good.  We are puzzled.  Next step is to replace the oil
>pump. Still no idea of where the shavings might have come from.
>
>What does the collective wisdom of the list say?




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