[urq] Oil vapor circuitry

[Brandon Rogers]

my '84 did have it - data point.  March 84 build

Brandon
----- Original Message ----- 
From: "Martin Pajak" <martin at quattro.ca>
To: "Louis-Alain Richard" <laraa at sympatico.ca>
Cc: <urq at audifans.com>
Sent: Thursday, April 20, 2006 11:07 AM
Subject: Re: [urq] Oil vapor circuitry


Yes, it should die regardless of tube or not.  Looks like you have a
vacuum leak.  Not a serious one since it eventually dies anyway.

The tube was added for better venting of the crankcase, otherwise all the
blowby had to go through the cylinder head to get to the PCV system.
Some '84 and '85s had the tube, and some did not.  There was no rhyme or
reason to that.  I haven't seen any '83s with the tube though.

Cheers
-- 
Martin Pajak

http://www.quattro.ca

1982 Audi Ur-quattro (50,000 mi) new project
1983 Audi Ur-quattro (85,000 mi) Concourse d'Elegance
1985 Audi Ur-quattro (212,000 km) Euro spec. import mit 3B :)
1987 Audi 4000s quattro (205,000 km) wintervagen mit 7A :)
1990 Audi V8 quattro (365,000 km) pipe and slippers


> Louis-Alain Richard
> Is my early WX (without the steel tube between the lower block and the
> PCV valve, à la MC) suppose to stop when I remove the oil filler cap ?
> Eric's car, the 1985, is doing that: stops right now. Mine doesn't,
> instead it takes time to slow down, when after a minute or so, it will
> finally die.
>
>
>
> Louis-Alain,
>
> Who doesn't want to chase vacuum leaks anymore.
>
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