Date:         Wed, 22 Jun 2005 08:17:01 -0700
Reply-To:     gary hradek <hradek@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         gary hradek <hradek@YAHOO.COM>
Subject:      joe's coolant problems
Comments: cc: vanagongl@HOTMAIL.COM
Content-Type: text/plain; charset=iso-8859-1

Joe,
   I have my sereis of problems and was suprised how
much drag the coolant has on the system and how it
bubbles out.   If you have the time and desire try the
following.
   First drain and save your coolant if it is new.
I am sold on the orange coolant as it appears to have
a detergent action.
   Run pure water for a week or so.   Notice the
cooling temperature at which the fan kicks on and off
and the gauge reading.   You will be surprised how
much water moves from the bleeder.   All heaters
should be open as this will help keep the water flow
to the engine.
   Now the hard part.   Remove the two big hoses from
the radiater at the engine side and flush with hot
water in both direction.   Plug the end of the hoses
and from the radiator bleeder fill the radiator with
about a gallon of hot water with 500 grams of citric
acid, top off and allow to sit for  week.   Flush
again with hot water under pressure.   Add coolant and
if you have no leaks you should see great improvement.
          gary
Date:    Tue, 21 Jun 2005 22:18:09 +0000
From:    joe trussell <vanagongl@HOTMAIL.COM>
Subject: Re: Coolant Movement Problems

I'm having similar problems.

I have tried to bleed the system twice, but I still
think I have a
bubble.
I run the front end up on ramps, start it up, and open
the bleeder
screw.
Then I go to the back and both tanks are just about
full.  I get it up
to
2000 RPM and go up front, and feel the radiator (NEW
radiator) get hot
all
the way up, then the coolant seeps out of the bleeder
hole and I
tighten it
down.  Then I go to the back and the main tank is
still full of coolant
and
the overflow tank is at max.

Why???  I even tried jacking up the rear end really
high to see if the
coolant levels in the tanks would go down, and while
they did slightly
and I
was able to add coolant, I'm still running 3/4 up on
the gauge, which I
know
is too hot.

Any ideas?

Perhaps I'm in denial about the air bubble.  Maybe
it's time for new
heads.
But, denial is much less expensive at this point.

Joe T.




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