Re: 16v overheating problems?

["Allyn" <amalventano1@home.com>]

Jason,
a water pump really cant go 'bad', as in the pump is turning if the pulley is turning.
it is possible for gunk to collect around/on the pump vanes, but that is highly unlikely with the
way it is designed.
the major possibility is idle too low and/or clogged radiator passages.
raising the idle to 1100 may help. keeping the engine at 2000 should at least cause the radiator fan
to kick on. note the temperature of the air blowing out of the fan after it kicks on. if it quickly
becomes cold air, the radiator is clogged. flush the crap out of it (off the car) with purple power.
al

Allyn Malventano, ET1(SS), USN
87 Rieger GTO Scirocco 16v (daily driver, 170k, rocco #6) +++Repairs pending+++
87 Jetta 8v Wolfsburg 2dr (daily driver, 260k, 0 rattles :)

----- Original Message -----
From: "Jason Arms" <redbug64@hotmail.com>
To: <brett@shell.netacc.net>
Cc: <scirocco-l@scirocco.org>
Sent: Friday, July 27, 2001 7:04 AM
Subject: Re: 16v overheating problems?


> List,
>
> OK.  Just to remind everyone, the car is my sisters black 1.8L 16v.  I
> changed the thermostat and fan switch with new low temp ones.  Drilled 2
> 1/8" holes in the indent in the thermostat to let any air bubbles through,
> filled up the overflow tank, started the car and watched the temp needle go
> up and try to overheat.  The coolant was bubbling and erupting out of the
> overflow tank.  Fan does not ever kick on.  Could i have a bad waterpump?
> It seems to be the last link to the cooling system.  If it is, how is that
> so?
>
> Jason Arms (Essex, VT)
>
> '81 Scirocco S ***Coming AUGUST to a driveway of mine***
> '81 Scirocco S (newest additon)
> '87 Scirocco 16v
> '88 Jetta GLI 16v (FOR SALE!)
> '64 Sunroof Beetle (livin' a new life)
> ****
> ICQ# 91932895
> AIM Username: xscirocco16vx
> My web page (work in progress!)
> http://www.crosswinds.net/~xscirocco16vx/index.htm
>
>
>
> >From: Brett Van Sprewenburg <brett@shell.netacc.net>
> >To: redbug64@hotmail.com (Jason Arms)
> >Subject: Re: 16v overheating problems?
> >Date: Thu, 26 Jul 2001 12:34:37 -0400 (EDT)
> >
> > >
> >
> >Also remember to drill a couple of tiny holes in the flat indented spot
> >around the thermostat.  This will let the air bubbles out.
> >
> >==Brett
> >
> > > List,
> > >
> > > Last night i changed the thermostat and fan switch on Sara's '86.5 16v
> > > because she was having overheating problems.  She bought low temp ones
> >at
> > > waterfest.
> > >
> > > After i completed the job, i filled the overflow tank with coolant and
> > > started the car.  The temp gage got to about 3/4 to max reading and i
> > > decided to shut the car off because the coolant wasnt going into the
> >car,
> > > just staying in the overflow, and the fan was not kicking on.
> > >
> > > This is the second time i have replaced both the fan switch and the
> > > thermostat and the second time this has happened.  Whats going on
> >here???  I
> > > also swapped out her VERY bad coolant temp sensors on the side of the
> >head
> > > with some ones i had laying around that werent quit as shitty as the
> >ones
> > > she had.  Nothing works!  what the hell?
> > >
> > > Jason Arms (Essex, VT)
> > >
> > > '81 Scirocco S ***Coming AUGUST to a driveway of mine***
> > > '81 Scirocco S (newest additon)
> > > '87 Scirocco 16v
> > > '88 Jetta GLI 16v (New winter car)
> > > '64 Sunroof Beetle (livin' a new life)
> > > ****
> > > ICQ# 91932895
> > > AIM Username: xscirocco16vx
> > > My web page (work in progress!)
> > > http://www.crosswinds.net/~xscirocco16vx/index.htm
> > >
> > >
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