[s-cars] Gack! No compression, no start,

[Szarka Strubachincoscow]

Yah know, there *is* coolant missing.  

This is all, unfortunately, beginning to make sense.  I have been
losing coolant from an unidentified leak for about 7-8 months.  Looked
for the location of the leak several times but never have been able to
pinpoint it.  I did notice coolant coming down from somewhere on the
front of the block last week but again, couldn't pinpoint it.  I
wonder if a hairline break in the HG could cause this sort of thing? 
I once had a head gasket blow on a '77 Pontiac that I had.  There was
water coming out of the exhaust pipe!  Thankfully, nothing like that
with the S4, though.

Good thoughts, guys.

Thanks,

--Sz


On Thu, 4 Nov 2004 19:51:14 -0500, The Gagnons <bullitt at gwi.net> wrote:
> Sz,
> 
> Maybe a blown head gasket causing water to get into the oil and making sludge?  Any coolant missing?
> 
> Jack
> 
> 
> 
> > -----Original Message-----
> > From: s-car-list-bounces at audifans.com
> > [mailto:s-car-list-bounces at audifans.com]On Behalf Of Szarka
> > Strubachincoscow
> > Sent: Thursday, November 04, 2004 6:34 PM
> > To: s-car-list at audifans.com
> > Subject: [s-cars] Gack! No compression, no start,
> >
> >
> > Really weird situation here…some of you may recall my post from last
> > month talking about my non-starting 1993 S4 with only 90k miles.
> > Well, it STILL won't start.  Drove car on 600-mile trip, parked for
> > one day then tried to start—no go. On attempted start engine turns
> > over, belts turn, have spark, have fuel, no ECU codes showing except
> > 2112—which is because the engine is not running.  All sensors and
> > injectors pass the "click" test when ECU is put into test mode.
> >
> > It sounds like it has no compression when turning over.  Today, my
> > mech confirmed that it *doesn't* have ANY compression in ANY cylinder!
> >  He pulled the valve cover and discovered that everything is
> > completely sludged up.  He pulled the oil drain plug and just a
> > trickle came out, even though it is only about a quart low.  It sounds
> > like a car that hasn't had an oil change in 30,000 miles, but it
> > isn't.  I've always run Mobil 1 15-50.  It was overdue for a
> > change—about 6000 miles since last oil change--but this seems nuts!
> > The mech says he's never seen anything like it—neither have I.  He is
> > theorizing that the valve lifters are so clogged with sludge that all
> > the valves are remaining open, hence the 0 compression.  Anyone have a
> > better theory, or seen anything like this before?
> >
> > Since we can't start it I don't know of any way to clean out the
> > sludge.  If it was running I could put some light oil/ATF in the
> > system and run at idle for a while to try to flush things out, but
> > with no pressure how can I flush it?  8-[  Is Mobil 1 the culprit
> > here?
> >
> > Any BTDT or suggestions greatly appreciated.
> >
> > Thanks,
> >
> > --Sz
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