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RE: Crankcase Ventilation

To: Lawrie Alexander <Lawrie@britcars.com>,
Subject: RE: Crankcase Ventilation
From: Hans Duinhoven <H.Duinhoven@simac.nl>
Date: Tue, 12 Jan 1999 08:48:26 +0100
Hi listers,

I had "goop" in my Citroen 2CV, which was air cooled.
So goop not always indicates water leakage into the cylinders....

Cheers,

Hans

> -----Original Message-----
> From: Lawrie  Alexander [SMTP:Lawrie@britcars.com]
> Sent: Tuesday, January 12, 1999 06:45
> To:   David Sylvain; mgs@autox.team.net
> Subject:      Re: Crankcase Ventilation
> 
> David.........
> 
> What you are seeing is not a good sign, I'm afraid. Oil vapor alone leaves
> just an oil film; the "goop" you are seeing sounds like a mixture of oil
> and
> water (which, I know, don't mix, but you know what I mean...........) This
> suggests to me that the head was not re-torqued after the engine was first
> started up so you have a leakage of coolant into the combustion chambers
> or
> oil return passages, or worse, that there is a crack in the head. The
> first
> thing I'd do is re-torque the head. If the nuts tighten up an appreciable
> amount, that may fix the problem. If they are tight and you continue to
> see
> moisture in the oil, I believe the head must come off to be checked.
> 
> Lawrie
> British Sportscar Center
> -----Original Message-----
> From: David Sylvain <niosh@pop.ma.ultranet.com>
> To: mgs@triumph.cs.utah.edu <mgs@triumph.cs.utah.edu>
> Date: Monday, January 11, 1999 7:29 PM
> Subject: Crankcase Ventilation
> 
> 
> >Being rather new to the List, I don't know if crankcase ventilation has
> >been discussed already.  Having said that, I am hoping that someone can
> >give me some sage advice as to what is needed to keep moisture and goop
> >from condensing under the oil filler cap (and eventually all over the
> >rocker arms, & throughout the oil passages) in my 72 B.
> >
> >I got the B in late November with no emissions controls, except for the
> >absorption canister:  there's no PCV valve, gulp valve, air pump, etc.
> The
> >engine isn't original -- It's a 1977 18(V) with HS-4s.  The oil separator
> >tube vents to atmosphere, and a hose connects the valve cover to the
> >canister.  The engine was reportedly rebuilt, and was said to have had
> >approximately 300 miles on it when I bought the car.  ( I have since put
> on
> >approx 800 miles...)
> >
> >The car runs really strong, and is a real blast to drive, but, on one of
> my
> >first drives, I noticed a faint odor of blow-by.  I opened the oil filler
> >cap, and sure enough, I could see blow-by swirling around under the valve
> >cover.  I also found moisture & a little bit of whitish goop inside the
> >filler cap.
> >
> >It's not that I don't drive far enough to warm the engine -- the car's
> too
> >much fun to go just "around the block."  Nevertheless, I always find the
> >same worrisome stuff beneath the cap when I get home.  I don't see
> anything
> >on the rocker arms (looking in thru the filler opening), but I really
> need
> >to pull the valve cover and take a look.  When the engine is running (of
> >course), a little blow-by can be seen at the end of the oil separator
> tube,
> >if you look closely.
> >
> >The Moss catalog shows several arrangements for ventilating the
> crankcase.
> >It seems that one of these might help remove the blow-by gases before
> they
> >can condense & contaminate the oil & foul everything up.  I would really
> >appreciate some advice as to which arrangement (if any) would work with
> my
> >totally un-smogged engine.  And this begs the question of whether it is
> >"normal" to have some blow-by in a "rebuilt" engine.
> >
> >TIA
> >
> >Dave Sylvain (a newbie)
> >72 B (an old B, but a good B)
> >

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