[s-cars] Oil Leak - Driver's Side of Engine

David Kase dkase at dorma-usa.com
Mon Aug 17 09:31:50 PDT 2009

Probable the oil pressure sending unit.  They leak through themselves
after a while (as opposed to leaking where it threads in the block).

Cheap and easy fix.


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Tom Winter
Sent: Monday, August 17, 2009 12:29 PM
To: s-car-list at audifans.com
Subject: [s-cars] Oil Leak - Driver's Side of Engine

OK, so if I had a Bentley, I'd know the answer. But I don't and I have
guys, which is better than Mr. Bentley any day.

I've developed an oil leak from what appears to be some sort of sensor
(pressure or temp?) that resides approximately halfway down the engine
on the drivers side. A single wire exits from sensor, which has a white
"stem" kinda like a spark plug. Victim is a '95 S6 Avant.

What is this, and could it be the source of my leak? The "sensor" is
directly above a "plug" which has a hole for a hex. Plug is not the
of oil, at least it doesn't appear to be.

Other thoughts, info, considerations for repair/replacement of guilty
also appreciated.

Thanks in advance for all your help and advice!

Tom '95 S6 Avant

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