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The dipstick pipe isn't connected to the breather. The hole in the washer
is to let the oil back into the crankcase . The plunger lifts ,if
necessary,at high rpm to allow more crankcase gases to escape ,and I have
never seen a blue sponge in the breather box
unless it was placed there by somebody. The breather box should have a
steel gauze in it for the oil gas to condense.Other than that everything is
correct!
@ @ \ /
/ ( ) \ \/
\___/ \ / \ /
\ / \/
Bad Boy's VeeDubs Adelaide!!
Type-3 Capital of the World!!
+--------------------------------------------------------+
'62 1500 Variant 129530
'65 1500N Panel Van PV0075
'73 1600TL Variant
aparoczy@ezinet.com.au
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> From: Melissa & Jim <jadney@vwtype3.org>
> To: type-3@umich.edu
> Subject: Crankcase breather
> Date: Sunday, 16 February 1997 11:20
>
> >From: Jeff &/or Paula <jknipe9@idt.net>
>
> >Could someone do me a favor and list the internal components of their
> >Crankcase breather, top down? I wonder if mine is assembled correctly
> >and/or missing anything. From top down I see:
> >
> >1. Plastic cap
> >2. Spring (approx. 3cm.diameter x 4cm.length)
> >3. Washer-like disc (approx. 4cm diameter with 1cm hole in center)
> >4. Cup-shaped thingie with hole in bottom that nests into the breather
> >neck, held in place by lip of cup.
>
> This is the correct array of parts for 69-71. [68s had a unique blue
foam
> "sponge" that iced up in the winter and caused trouble. Most of these
have
> been thrown out so if you have one it is a rare item.]
>
> >I would have thought a solid disc would lessen oil loss out the breather
> >(as it is on a BMW boxer engine), though I realize you'd then have to
> >fill oil through the dipstick tube.
>
> Indeed the dipstick tube IS where you are supposed to add oil. If you
pry
> the plastic cap off all the time it will soon stop staying in place.
>
> >Also, if the parts are correct as
> >listed, what good does the cup thing do? The washer could just sit
> >where the cup does... Anyhow, something doesn't seem right but I'm
> >confident (hopeful? overly optimistic?) that someone here has the
> >answers.
>
> I'm not sure why VW thought they needed both the cup and the washer. The
> whole thing forms a bit of a labryinth that limits how much oil mist gets
> out. All engines have some blowby, good ones just have less. The black
> painted breather box allows the oil mist to settle out. The gas portion
is
> fed to the aircleaner to be burned up and the liquid portion either drips
> back down the way it came, or down the vertical pipe that feeds back into
> the sump via the dipstick pipe.
>
> The arrangement for other years was different, but yours was a very good
one
> that worked well.
>
> Jim
> ---------------------------------------------------------------------
> Melissa Kepner Jim Adney
> jadney@vwtype3.org jadney@vwtype3.org
> Laura Kepner-Adney
> Madison, Wisconsin
> ---------------------------------------------------------------------