[V8] Heat Soaking V8

[Tim Hollister]

I looked extensivly into this.. it requires a complete ac unit change, all the climate controls
and heter box as well as all the wiring


--- "Korn, Bob" <Bob.Korn at Fike.com> wrote:

> Seeing Ed's comment about variable fan speed made me wonder if anyone
> has updated a 90 V8 climate control head unit and ecu with a later model
> year?  
> Be nice to have the later style head unit in my 90 V8.
> Bob
> 90 V8 Pearl Gray Sports 17" S4 Wheels(45et w/25mm HR spacers) Koni
> Sports 177K 
> 
>  
> 
>  
> 
> 
> -----Original Message-----
> From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf
> Of Ed Kellock
> Sent: Wednesday, April 18, 2007 11:13 AM
> To: Scott Simmons
> Cc: V8 Audi Fans
> Subject: Re: [V8] Heat Soaking V8
> 
> I've always turned on the A/C to cool the engine some when I want
> because it runs the electric cooling fan.  If you are already running
> it, then set the temp up to where the auto fan speed will trail off to
> almost nothing to ensure that the system thinks there isn't much/any AC
> work to do.  The electric fan will still be running though.
> 
> Ed
> 
> On 4/18/07, Scott Simmons <indischrot at gmail.com> wrote:
> > Has anyone had any issue with shutting off a hot engine?  Say 100 or 
> > slightly warmer?  I'm not sure how to cool it off before turning it 
> > off, idling seems to raise temp more than anything.  Right now, if I 
> > Turn it off at 100, it'll soak up to about 105 then cool down but it's
> 
> > only been 70 out.  I'm worried about triple digits.
> >
> > I know some cars have the cooling fan hooked up to kick on (at least) 
> > a low speed even with the ignition off to help cool off an over-hot
> car.
> >
> > How does the V8 deal with the expanding pressure?  There doesn't seem 
> > to be a "bleed line" coming from the cap.  Is it pressure rated to 
> > release pressure (at 16 lbs., e.g.), or if not, how does the system
> ease pressure?
> >
> > Thanks,
> > Scott S
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