[s-cars] Oil Leak - Driver's Side of Engine
Stott Hare
stott at gwi.net
Mon Aug 17 09:56:16 PDT 2009
What Kase said...
Some of the I5's have two sensors down in that area, with different pressure
ranges. One is used to warn of pure low oil pressure, the other if for if
the pressure drops below ~1.8bar at 2k rpm or some such. Occasionally one
of the pressure switches is replaced/incorporated into an actual pressure
sender for driving an oil pressure gauge.
As to your problem, it is a common occurrence for these to fail and begin
leaking oil out of their 'casing'. These are color coded for pressure
ranges, or you can pull it, clean the flat sides, and find actual part
numbers and pressure range specs. Should be <$25 to replace.
-Stott
-----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 you
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 block
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 source
of oil, at least it doesn't appear to be.
Other thoughts, info, considerations for repair/replacement of guilty part
also appreciated.
Thanks in advance for all your help and advice!
Tom '95 S6 Avant
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