4kcsq cooling problems (somewhat long)
ssgacc at yahoo.com
Tue Jun 24 12:00:44 EDT 2003
He got it. You've got a huge air bubble in there.
That's where the fluid from the tank is going. There
are several ways to bleed this, including hoses. (A
pain in the a$$.)
--- David <duandcc_forums at cox.net> wrote:
> Did you bleed the system? There is a bleeder nut on
> top of the radiator. Fill system, put cap on, open
> nut, start car, allow expansion to push the air out
> the nut hole, put nut back in and drive off.
> 1987 CGT Special build 2.3
> SE Virginia
> > From: Tapparoo at aol.com
> > Date: 2003/06/23 Mon PM 11:33:46 EDT
> > To: quattro at audifans.com
> > Subject: 4kcsq cooling problems (somewhat long)
> > --
> > [ Picked text/plain from multipart/alternative ]
> > Ok, nothing fancy with this getup, just a stock
> system. Drained out old,
> > VERY green fluid, filled with water from garden
> hose, then ran until the fan came
> > on. No problem, acted normally. Then I changed
> the thermostat, hooked
> > everything back up, filled with water again. This
> time, system only accepted about
> > 3 liters (capacity is 8), heated rapidly, fan
> turned on late, expansion tank
> > started to fill up, then I heard this awful
> clicking noise. Shut off car,
> > heard gurgling and hissing, then expansion tank
> dropped way below minimum level.
> > I used pentosin in distilled water to fill after I
> changed thermostat. I
> > know it doesn't mix with green stuff, so I drained
> out system again, thinking
> > that I "lost" a few liters of old green stuff in
> system somewhere and pink and
> > green were having problems. Filled with just water
> again, did same thing.
> > Next, maybe thermostat was in incorrectly. Opened
> up, thermostat in
> > correctly, but I rotated it 180 deg. just in case.
> Now heats up rapidly, only takes
> > about 3 liters, fan does not turn on, expansion
> tank does hissing and gurgling
> > thing again.
> > Checked thermostat, opens at 87 C like it should.
> Is pump bad? (worked fine
> > 24 hours ago) expansion tank bad? What in the
> hell is going on here?
> > Major thanks in advance.
> > Dan
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