[Bulk] Re: [V6-12v] no heat at idle .

Sun Feb 13 18:36:33 EST 2005

Coolant flow diagram. Notice the second bleed screw on the metal coolant 
pipe, near the egr area. It is a hex screw, be carefull not to get 
coolant in your face.

http://pictureposter.audiworld.com/6607/coolpic.jpg

NW

Clive Young wrote:

>Marc
>
> I am unsue of what you mean by heating coils , but if you are talking about
>the heater core it is in an enclosed box that you have to take the centre
>console off and dashboard out to get to , not to mention discharging  the AC
>system to boot !
>
>An intersting not however. If I am idling and the car runs up to about 95C
>with heating on full blast blows cold- luke warm. On the highway with the
>engine cooler at about 80C ( last night it was cold out , about -10C ) The
>heat is just belting out ! so it tells me I have a problem with rate of
>delivery of coolant to the core, or I am injesting cold air ( the blend
>door ) and it is being compensated for at speed. Bot sysytms look great
>though and the belend door I can hear snapping oopen and closed...
>
>very strange ...
>----- Original Message ----- 
>From: "The CyberPoet" <thecyberpoet at cyberpoet.net>
>To: "Clive Young" <cyoung1661 at rogers.com>
>Sent: Sunday, February 13, 2005 2:46 AM
>Subject: Re: [Bulk] Re: [V6-12v] no heat at idle .
>
>
>  
>
>>Did you try cleaning the heating coils yet?
>>
>>Cheers
>>=-= Marc
>>
>>On Saturday, February 12, 2005, at 11:42  PM, Clive Young wrote:
>>
>>    
>>
>>>last act of a desperate man ....
>>>
>>>I have only bled it about ... oh i'd say 25 times.... I even broke the
>>>plastic bleed screw...... i was actually amazes I bled it so many
>>>times without it breaking.... I would always let it warm up intil
>>>fluid came out then sealed it off. I even tried pressurizing the
>>>reservoir to force any air up to the bleed screw,that didn't help
>>>either ... as I would think I got some air out, but it would be the
>>>same result, besides, i think by pressurizing the reservoir I think I
>>>am injecting air into the sytem via the overflow hose into the top of
>>>the rad.
>>>  ----- Original Message -----
>>>  From: sub
>>>  To: Clive Young
>>>  Cc: Audi list
>>>  Sent: Saturday, February 12, 2005 10:26 AM
>>>  Subject: Re: [Bulk] Re: [V6-12v] no heat at idle .
>>>
>>>
>>>  Hmm, it's not that drastic (stopping at the light).  I did have to
>>>replace my thermostat last year as it broke into 2 separate pices.
>>>However when that happened I was getting engine codes and engine
>>>warning light after about 5 to 10 min of driving,  that the engine was
>>>not warming up on time.
>>>
>>>  Did you try to bleed the coolant pipes that go through the firewall
>>>into the cabin ?  When I replaced my thermostat I had to drain the
>>>coolant afterwards I had to bring the engine up to temp and try to
>>>bleed the system, I did that 2 or 3 times before the heater started
>>>working, even though my coolant temp gage showed 90c.
>>>
>>>  hope this helps
>>>
>>>  Clive Young wrote:
>>>Thanks that is really good info .
>>>
>>>If you stop the car and let it idle again does the heat drop off
>>>again. ?
>>>Mine is fine while I am driving but if I stop at a light , by the time
>>>it
>>>goes green again the air is luke warm at best , sometimes down right
>>>cool !
>>>----- Original Message -----
>>>From: "sub" <subscriptions at globalape.com>
>>>To: "Clive Young" <cyoung1661 at rogers.com>
>>>Sent: Friday, February 11, 2005 11:19 PM
>>>Subject: [Bulk] Re: [V6-12v] no heat at idle .
>>>
>>>
>>>  Clive, this engine is hard to get hot in sub 0 c temp's.
>>>
>>>My 1993 90CSQ, after sitting in the garage (-5c) for 15 min starts
>>>blowing semi warm air (no temp probe to test it), if I drive it it
>>>becomes warmer faster, but to get it really hot you have to drive it
>>>really hard.  ex: empty parking lot after fresh powder = lot's of
>>>Quattro fun :-))
>>>
>>>Clive Young wrote:
>>>
>>>    Well Finally I must say I feel totally defeated. I have tried
>>>everything
>>>      I can think of and it just won't produce decent heat at idle. I
>>>just have
>>>one or two last few questions before I put the nail in the coffin.
>>>  Is there anyone right now that has there car pumping out decent heat
>>>at
>>>      idle with an ambiet outside of zero to minus 10 celcius , if
>>>anyone can
>>>stick a thermal probe in the heater vent I would aprreciate it. At
>>>least
>>>that would tell me if is suppose to work.
>>>  The P.O. told me he took the car to AUDI for the same reason , they
>>>put
>>>      a thermostat in it , flushed the system, charged him a whack of
>>>money but
>>>still didn't fix it. so what chance do I have .. those guys do this
>>>for a
>>>living !
>>>  Oh well , I have just had enough......
>>>_______________________________________________
>>>V6-12v mailing list
>>>V6-12v at audifans.com
>>>http://www.audifans.com/mailman/listinfo/v6-12v
>>>
>>>
>>>
>>>
>>>
>>>
>>>_______________________________________________
>>>V6-12v mailing list
>>>V6-12v at audifans.com
>>>http://www.audifans.com/mailman/listinfo/v6-12v
>>>
>>>      
>>>
>
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