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Subject:Re: Acceptable level of change in coolant in refill tank
From:Mark McCulley
Date:Mon, 30 Mar 1998 16:22:27 -0800

At 06:49 PM 3/30/98 -0500, Donald Baxter wrote:
>I have an '85 with a factory remanufactured engine installed in January
>1996.  I decided to just do the whole thing and not bother with replacing
>head gaskets.  I have about 34,000 miles on the new engine now.  It runs
>beautifully, gets close to 20 MPG in the city and so far no complaints.  I
>don't seem to be losing coolant but I do notice that the level in the
>refill tank (that's the one visible through the license plate door) changes
>about an inch between the cold engine and the warm engine (the warm engine
>being the higher level, of course).
>
No problem, this is how the system is designed to operate. Another name for
this tank is the "expansion tank," because it's there for coolant to expand
into when it gets hot.

-Mark McCulley