90 4cyl brake problem...

[Alan Pritchard]

Hi cody,
Theres 2 hidden vacuum lines, one under the airboot running to the
crankcase, and the other runs between the im and the head, hidden out of
the way, think it goes to the isv iirc, but its been a while since I
tackled my 80, thast was the one perished on mine.

Best Regards
Alan Pritchard 
Network Administrator 
R&M Electrical Group Limited 

Tel: +44 (0)23 8068 5668 
Mob: +44 (0)7841 651867
web: www.rm-electrical.com 



-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
On Behalf Of cody at 500tq.com
Sent: 11 January 2005 15:34
To: quattro at audifans.com
Subject: 90 4cyl brake problem...

I'm tryin to get rid of this old '88 90 4cyl thats been sitting here in
my lot,
but I'm having two problems with her. First is it wont run unless I
constantly
play with the CIS air meter, and when I pull the oil cap it doesn't
stall so I
know I'm hunting a vacuum leak. Any BTDT on hidden vacuum lines or
anything
like that? The obvious one I've check with some carb clean (including
the
injector seals).

The second problem though is driving me nuts, I don't even know what to
look at.
If you push the brake pedal it will go straight to the floor (engine
running or
not doesn't matter), but if you pump it you get a semi-hard pedal after
maybe
two pumps. I've bled all of the brakes and replaced the master with one
I had
laying arround (near new) and bled that, even loosened the line
connections at
the ABS pump and bled there, but it still acts exactly the same. I'm
thinking
it may have something to do with like a stuck valve in the ABS, but I
don't
know how to check. No experiance at all playing with ABS pumps. I have a
parts
car (actually the owner of a recently wrecked 80 4cyl that is changing
up to my
90), but it doesn't have ABS.

Please help!

-Cody Forbes
http://www.5000tq.com
'86 5ktq
'87 5ktq - Fast.
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R&M Electrical Group Limited
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Message from: Alan Pritchard
Message to: recipient
Date: 11/1/2005

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