odd symptoms.  when you went 200 miles yesterday with no problems, did you
stop?  do symptoms correlate with stopping for some period of time during a
drive, such as when you go to a store or on an errand?
Edward

On Thu, Dec 10, 2015 at 1:22 PM, Jim Felder <jim.felder@gmail.com> wrote:

> Two weeks ago I completed the conversion of my diesel Vanagon Westy turbo
> diesel over to the new style tank with new engine hoses. As I write this I
> am sitting in a Hardee's parking lot waiting for about the 15th time in the
> last two weeks for my engine temps to go down to the point I can drive the
> car. Before I left home for the short drive, I bled the cooling system
> according to the Bentley for the eighth or 10th time since making the
> conversion. I have only managed to have heat from the heater once or twice
> in the last two weeks. I am on my second blue coolant In that time. When I
> wake up in the morning I check it first thing. Always there is considerable
> pressure left in the system from the night before. I installed a new
> thermostat. I tested the old thermostat and the new thermostat on the
> stove, and they both operated exactly the same. I put the new one in
> anyway. Usually I can drive somewhere as to a store maybe 4 miles away.
> Going to a store or on an errand it's likely to run just fine with the
> needle steady in the center all the way there. Then on the way back I
> typically have to pull over just like I have done now. I can let it cool
> down maybe leasing the L some air out, and then be on my way with a
> slightly hi or sometimes normal temp gauge. I never know what to expect.
> But no longer can listen to audio because I have to keep my attention
> riveted on the temp gauge. It's not leaking. I'm not losing coolant. I just
> can't get rid of this air bubble. I don't think I have a leaking head
> gasket because yesterday I drove to a town 100 miles away and back without
> really having any problems. There are some steep hills along the way. The
> temperature stayed normal. I don't find any soot in the coolant or water in
> the oil.
>
> Any ideas? The temps were perfect before my "upgrade."
>
> Jim