[T3] cylinder head breather ports on a 1972 Squareback

[Jim Adney]

Sounds like something got changed at some point in its life. 
According to the microfilm, all FI (M236) '72-3 engines got the PCV 
valve.

On 5 Aug 2013 at 0:52, Dave Hall wrote:

> No, my '72 Fasty is a FI 1600E with a twin breather box and twin vac
> distributor (205 AE).  It is an October '71 car, in case it makes a
> difference.  The April '71 Square is carbed - also with twin vac distributor
> (205T).  
> 
> There can't have been any hoses on the heads as I put new universal ones on
> when finding the valve rock in the exhaust guides were all well over the
> wear limit, and having dropped a valve in the Beetle I didn't want to repeat
> that.  In fact the PO did have a valve drop and used a spare engine to
> replace the damaged bits - there were quite a few bits of piston in the
> sump, so it wssn't a rebuild, just a repair.  I don't know if there had been
> different heads - presumaby at least one was changed.
> 
> Maybe the hose from the twin breather box was terminated with a rubber end
> like the single cap breather.  I'll take a look in daylight for signs of
> hoses through the tinware and what breather arrangement is fitted, though
> that may have been swapped.  The engine number is appropriate and as shown
> on the reg document I got, but I'll check that as well in case it's an older
> engine - the FI is an E and works fine.
> 
> 
> Dave
> UK VW Type 3&4 Club
> =================== 
> 
> -----Original Message-----
> From: type3-vwtype3.org-bounces at lists.vwtype3.org
> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim Adney
> Sent: 04 August 2013 23:34
> To: type3 at vwtype3.org
> Subject: Re: [T3] cylinder head breather ports on a 1972 Squareback
> 
> On 4 Aug 2013 at 18:19, Dave Hall wrote:
> 
> > My '72 FI has the heads without breathers but it has the two caps on 
> > the breather box.  We didn't get the recirculation valve though in the 
> > UK, so it may depend on what he's allowed to leave off as far as the 
> > desmogging law permits.
> 
> That sounds odd, because the microfilm shows all cars getting the breather
> heads starting in '72. Are you sure those heads didn't get "lost" in an
> early valve job?
> 
> Look at the cooling tin. The tin that came on those engines had holes and
> rubber grommets where the hoses leading to the breather tubes would have
> gone: just to the rear of #2 injector and in front of the
> #3 injector.
> 
> Your '72 is carbed, isn't it? I don't know where the hose from the breather
> box went on those engines. The microfilm shows that you got the late
> breather box, but that the PCV valve was only for FI engines. I didn't know
> that. But the microfilm doesn't show an alternative part for the carbed
> engines. There HAS to be something. 
> Otherwise the breather box just has an open hole on the underside; there's
> no way to connect a hose to that.
> 
> What's in there and where does it send the breather gases?
> 
> This is looking like some errors in the parts list.
> 
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> 
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-- 
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************