Well, Thanks for all the input on the strange heating problem. It turned
out to be a combination of things. The PO had the expansion tank for the
radiator completely topped of which is a no-no, and air trapped in the
system. There was no room to expand and it was causing it to exhibit of
over heating and that was exacerbated by the fact that the gauge was reading
about 30 degrees F too high. I performed all the standard cross checks on
boiling water and sending unit elimination etc and drained water from the
expansion tank, burped the system and all seems well. I am going for a drive
with a good gauge that I had and I will further test. Thanks again for all
the input and particularly to Dave McDermott in Colorado who explained some
idiosyncrasies of the Tiger sending unit placement. It is running at @ 180
F
Kreg
----- Original Message -----
From: Marc Stenchever <Marcsten@prontomail.com>
To: <alpines@autox.team.net>
Sent: Saturday, December 02, 2000 1:09 PM
Subject: Overheating
> Is it possible that the heater hoses have been crossed? There should
> be three hoses:
> one comes off the manifold, then attatches to the end of the heater
> valve; the second attatches to the other outlet on the valve and goes
> into the passenger side of the heater; the third leaves the heater
> and returns to the thermostat housing.
> The one caveat is that my car has a seies V motor in a Series IV, and
> there seem to be some series IV remenants in the engine compartment;
> so your Series V may be a little different, but I'm sure that the
> theory is the same.
> Marc
>
> Reply-To: "kreg" <kregkallenberger@home.com>
> >To: <alpines@autox.team.net>
> >Subject: overheating
> >Date: Fri, 1 Dec 2000 23:17:17 -0600
> >
> >Help if you can,
> >
> >Iv'e been driving a different Sunbeam , actually a Tiger, but I
> still have
> >the
> >Series V,the past two days that I do not know the history of but it
> has
> >had a
> >rebuild of late on the engine and everything seems fine except- When
> I
> >slide
> >the heater control from off over to hot to use the heater or
> defroster the
> >engine temp guage jumps up like a rocket. The engine temp is fine
> until I
> >slide the heater control from "0ff".
> >
> >I always thought that if your engine was overheating you should turn
> the
> >heater on - that is to say open the heater control valve. This is
> just the
> >opposite. Since this a new car to me I was wondering if anyone had
> a guess
> >where to start to diagnose this situation. I can drive around all
> day with
> >no
> >overheating otherwise. Maybe the thermostat is in backwards or
> something.
> >I
> >am stumped- but it is not the first time.
> >
>
>
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