16v cooling probs cont'd..

[amalventano1@comcast.net (Allyn)]

the holes also make it easier for the major bubbles to get worked out of the
system during filling, as there is a (small) path around the normally closed
thermostat.
Al


----- Original Message -----
From: "Rick Alexander" <ralexander03@snet.net>
To: <scirocco-l@scirocco.org>
Sent: Monday, October 14, 2002 7:23 PM
Subject: Re: 16v cooling probs cont'd..


> I'd guess that that brand new thermostat does not have a hole in it and it's
> working a little too well. You see the part that opens the thermostat is
> probably in air and will not come up to opening temp. That's what putting a
> small hole in it will do, let the air out so it's in the hot water and will
> open.
>
> At least that is my understanding of this. List am I right?
>
> Rick Alexander
> http://www.brubakerbox.com
> http://clubs.hemmings.com/hams/
> http://clubs.hemmings.com/vwsrus/
>
> ----- Original Message -----
> From: <treed2@u.washington.edu>
> To: <scirocco-l@scirocco.org>
> Sent: Saturday, September 14, 2002 6:08 PM
> Subject: 16v cooling probs cont'd..
>
>
> > Replaced the burst hose ($42, ouch!) and refilled with fresh 50/50
> > phosphate-free antifreeze and distilled water. I've had a low-temp fan
> > switch for 2 years that was worked perfectly.. during the engine swap I
> > installed a new (used) water pump and a new thermostat.
> >
> > Now after filling the radiator, then the hose that connects to the
> > upper radiator, and clamping them back together.. then filling the
> > resevoir until it was full.. I turned the heater to max, started the car
> > and let it idle. Over the course of 6 minutes the temperature rose pretty
> > steadily to normal operating temp (the LED in the middle of the gauge) and
> > then quickly began climbing above that point. I shut off the engine.
> >
> > I kept checking during warm-up and I could not feel water flowing in the
> > upper radiator hose, nor was it hot. And I'm sure the radiator wasn't
> > getting any coolant because when I shut off the hot engine it was icy
> > cold.
> >
> > All of this of course points to a faulty thermostat but what the hell?? I
> > just put a brand new german 70 deg C thermostat in.. ?
> >
> > What else should I look at before I drain the coolant for the fourth time
> > and pull the thermostat housing so I can look at the thermostat which will
> > be exactly as installed since there's no way it can move after the
> > mounting bolts are tightened down...?
> >
> > I wanna drive my 2.0!
> >
> > -Toby
> >
> >
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> >
>
>
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