[A4] A4 Oil Temp Sensor

Robert King gt40mkii at gmail.com
Mon Apr 9 16:05:05 EDT 2007

The oil temp sensor on the B5 1.8T is bolted to the bottom of the oil pan,
towards the front of the engine.  You'll need to remove the under-tray and
drain the oil to replace it.  Keep in mind that it may be a faulty wiring
problem, too.

On 4/9/07, thejimrose <thejimrose at gmail.com> wrote:
> hey phil - the oil wouldn't cool down like that suddenly. the oil would
> take
> a long time to cool down once hot. i bet what's happening is the sensor
> has
> gone intermittent and when it loses connection, it shows cold oil.
> not sure where the oil temp sensor is off the top of my head. searching
> the
> forums [audiworld, audizine etc] should help.
> sludge would have more of an effect on oil pressure not oil temps.
> For a little while I've been getting intermittent readings from my oil
> temp
> > gage.  This is a B5 2001 1.8T.  All will be normal, then a warning light
> > for Oil Temp Sensor will show on the center display, and the gage
> reading
> > will fall all the way down to the min temp.  A few minutes later, it'll
> pop
> > right back up to near a normal reading, and stabilize to a normal
> reading
> > within a minute (220F).  I couldn't find any reference to this sensor in
> the
> > Bentley (only oil pressure sensor).  Where is the oil temp
> sensor?  What's a
> > good price?  Is this the beginning of the dreaded sludge issue (my
> average
> > is 5k mi, synthetic)? Thanks,-Phil00 1.8TQ01 1.8T Avant
> >
> >
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-- Robert

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