I'm not sure, but I would venture to guess that you have a small (pinhole)
leak somewhere. Usually a good way to check this is to get the engine good
'n' hot, then shut it down, and keep an eye on the engine & radiator for the
next 5-10 minutes. Usually this is when pressure (from steam) is greatest
since coolant is no longer flowing through the radiator. Be sure your
overflow is full when doing this.
I would think the reason you don't lose any fluid after a certain point is
because air is compressible (liquid is not); therefore, once you achieve a
certain air volume, your pressure levels out so there is not enough pressure
build-up to force coolant out of the pinhole.
-----Original Message-----
From: Robert Trottmann <rotrottmann@davidson.edu>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Monday, February 22, 1999 12:56 PM
Subject: DML: Antifreeze issues
>Ok, this would be the 4th time I've posted this, and it just won't go
>through.
>Basically, whenever I fill my antifreeze res. it sprays out over the
>engine from
>god knows where. Since summer, I have had about 1/2 inch of antifreeze
>in the res. and the engine runs fine. Yes, I drive on a regular basis
>w/ just 1/2 inch of antifreeze in the res, any more than that it will
>spray out at random intervals. Today, after racing an IROC Z for about
>20 miles, reaching speeds of WELL above the 110 max on the speedo, I
>checked the engine out, and saw a froth of bubbles on the top of the
>antifreeze in the res.
>What does this mean? The truck ran GREAT, always runs w/o problems, so
>I figure, if it ain't broke, don't fix it. Like I said, if I fill the
>antifreeze, it drops until it hits about 1/2 inch, then stays there for
>ever.
>-Robert
>
>
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