[Vwdiesel] Quantum TD overheating, new thermostat - no change

[Mary Beth and Chris Geiser]

I've said this before, but don't trust your temp gauge exclusively when
dealing with overheating.  Get an infrared thermometer and check that it
is truly overheating before you waste a lot of time / money chasing a
problem that might not exist.

That said - if you've had a lot of rust floating around the system, the
rad. might be plugged also...

Chris




-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com]
On Behalf Of JoErnest at aol.com
Sent: Thursday, December 04, 2003 6:42 PM
To: alstum at visuallink.com
Cc: vwdiesel at vwfans.com
Subject: Re: [Vwdiesel] Quantum TD overheating, new thermostat - no
change

Thanks for the suggestions.
I don't believe it's a head gasket (yet)- no bubbles in the tank, no oil
in 
water, no water in oil etc.
The car had been sitting for 6 yrs before I got it, and it ran hot from
the 
time i got it. i flushed out a lot of rust, but I now think the problem
may be:

blocked passageways in the head/block, and/or
marginally effective water pump due to corroded impeller.

JoE

---------------------------------------------------------
     Another thing to check is the big radiator hose
colapsing. Not likely, but possible.

     If this came on slowly, you might have calcium
deposits in the radiator core. Possible a previous
owner had a leak and kept adding hard water.

     Let us know what you find.

Al
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