[Biturbos4] Lack of heat in B5 series car - any thoughts?(commonproblems, etc)

sixteenby16 at aol.com sixteenby16 at aol.com
Sat Jan 19 07:06:11 PST 2008


Has anyone attempted this
with a 1988 or closer Audi 80Q 5 cyclinder?? I am unsure if the "check valve"
mentioned in a previous post exist in this car. I am a of course
tempted to try this but worry that it will be adverse.

Thoughts or add-ons!!!


-----Original Message-----
From: B HENRY <thehenrys at sympatico.ca>
To: sidman at webloq.com; glenahan at fastmail.fm; quattro at audifans.com; biturbos4 at audifans.com
Cc: mansue2u at aol.com
Sent: Thu, 17 Jan 2008 2:13 pm
Subject: RE: [Biturbos4] Lack of heat in B5 series car - any thoughts?(commonproblems, etc)

Absolutely, as with everything on these forums there is always an element of 
"try at your own risk".  However, this procedure was recommended to me by a 
very experienced Audi mechanic, who has tried it on a few other 2000 S4's 
with good success and we have also had good success now... 3 months of hot 


>From: "George" <sidman at webloq.com>
>To: "'B HENRY'" 
><thehenrys at sympatico.ca>,<glenahan at fastmail.fm>,<quattro at audifans.com>,<biturbos4 at audifans.com>
>CC: <mansue2u at aol.com>
>Subject: RE: [Biturbos4] Lack of heat in B5 series car - any 
>thoughts?(commonproblems, etc)
>Date: Wed, 16 Jan 2008 18:48:56 -0800
>Careful with this one.  Many heater cores have a back check valve that will
>not allow a reverse flush to happen. I went through this on my '91 200 20
>valve when the wrench bender installed the hoses reversed, and blew out the
>core. If you shake a new core, you can hear the valve rattling.
>George Sidman
>Chairman & Chief Technology Architect
>WebLOQ, Inc.
>2801 Monterey Highway
>Monterey, CA  93940 - Suite H
>Monterey               831 372-2600 x 227
>Santa Clara          408 282-3548
>Mobile                    831 601-1776

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