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overheating..SOLUTIONS TO THIS P.I.T.A.
Also, with the t-stat removed the coolant flows too fast through the
radiator to properly cool (at city speeds anyways). The car will
actually run hotter when you drive hard around town without a t-stat.
This is based on my actual experience. The 80 S I bought from Kervin
had strange temp issues - it would take forever to warm up, but when
driven hard it would get warmer than any other Scirocco I've owned -
unless you're on the highway where it would run cooler than normal.
As winter approached I had almost zero heat coming out of the heater
when I drove faster than 40 mph. Sitting in a traffic jam though, the
needle would be way up there.
When I started to investigate I discovered there was no thermostat
installed (not Kervin's fault - the previous owner must have done that).
I installed a low temp t-stat from Adirondack and with no other changes
it ran COMPLETELY normal.
The cooling system was obviously designed to run with a restriction (the
t-stat) to operate efficiently. I agree with David here - it's dumb to
run without one...
BTW, I've never drilled holes in my t-stats, but I've never had any
burping issues. I fill from both the rad and the upper rad hose. Run
it for 5-10 minutes, then top up the coolant... I guess it can't hurt
though, as long as the hole is tiny...
Mark.
75
80 S
81 S 2.0 ABA/JH/4K
> -----Original Message-----
> From: scirocco-l-bounces@scirocco.org [mailto:scirocco-l-
> bounces@scirocco.org] On Behalf Of David Utley
> Sent: March 16, 2004 8:06 PM
> To: Ryan Schuermann
> Cc: scirocco-l@scirocco.org
> Subject: Re: overheating..SOLUTIONS TO THIS P.I.T.A.
>
> Not to pick a fight here Ryan, but removing the T-stat is dumb. It
is
> there
> to get the engine up to warm up temp faster. Not only does this help
with
> mileage and emissions, but it helps with engine wear. An engine that
is
> not
> at full temperature for any prolonged period of time is more likely to
> coke-up
> in the chamber due to an incomplete burn, which if it coke up there,
the
> rings
> and valve seats are next. Cardboard might be able to help you if you
cut
> just
> the correct amount, for day X. But not every day has the same
temperature,
> nor the same duration of it. What's more is it still takes longer for
> your
> engine to warm up than it should, which means more wear... Ask me how
I
> know...
>
> I am not crazy about drilling a hole in the T-stat, but it would be
MUCH
> more prefferable to none. Ask any mechanic worth his weight in old VW
> cores...
>
> My .02
>
> David Utley
>
> Quoting Ryan Schuermann <big_hot_tamale@yahoo.com>:
>
> > Don't listen to Al ;) That green does things to yer mind ;) I still
> twitch.
> >
> > I totally removed my thermo. Of course I'm in texas where my car
doesn't
> > warm up 3 days out of the year. But it does freeze. So for those
that
> have
> > drilled or removed it, simply slip a piece of cardboard half the
size of
> > yer radiator right in front of it. My car warms up quick and stays
> perfect
> > temp during the winter. And the cardboard is free, totally
customizable
> > day per day (just insert a bigger or smaller piece to get desired
temp
> per
> > day's coldness) and I never have to mess with coolant if it fails.
> Cardboard
> > is my friend :)
> >
> > Ryan
> > 81-s
> > 85 8v BUY IT!
> > 86 Rieger GTO/COMP BUY IT!
> >
> >
> > ============IN REPLY
TO=================================================
> > Message: 28
> > Date: Mon, 15 Mar 2004 17:33:05 -0500
> > From: "Allyn"
> >
> > Subject: Re: overheating..SOLUTIONS TO THIS P.I.T.A. COOLING SYSTEM
> > FILLER??
> > To: "Dan Bubb" , "Aaron in San Jose"
> > ,
> > Message-ID: <004701c40ade$c4158a60$0201a8c0@main>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > > About the drilled thermostat.
> > > I drilled two 1/8" holes in my 16V thermostat.
> > > The car takes forever to warm up compared to my 8V.
> > > Don't know if drilling the thermostat caused the slow warmup, so
> curious
> > what other people have
> > > noticed.
> > > Dan
> >
> > i drilled the one on the rieger and it takes about 10 minutes of
normal
> > driving to reach running temp. i only made a couple 1/16 slits in
the t-
> stat
> > disc with a dremel cut-pff wheel.
> > Al
> >
>
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==
> =
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> >
>
>
>
> David Utley
> -----------
> Cable Volkswagen
> 405-470-3129
> 1-800-522-6793
>
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