fill it to the cold mark, maybe its the engine temp thats causeing a
variance in what you are seeing. Then check it when its cold again.

Tom

"rynniki" <rynniki@wmconnect.com> wrote in message
news:d01a7e73a12275b8a4b8ae9c89702274@localhost.ta lkaboutautos.com...
>I have a question what could be causing my reserve tank to keep getting
> low? it is between the maxium and mininum line... i checked my radiator
> and the antifreeze is up to almost the top of the lip where you see the
> fluid. the car doesn't run hot. the gauge is usually right before the
> middle on long trips. how do you tell if you need a new radiator? and
> should i get it flushed for the summer?
>