Coolant flows to the overflow tank as a result of expansion when the system
is hot. As it cools down coolant is drawn back out of the overflow tank
which should return to its previous level. An overflow tank that is full is
a symptom of a problem.

Angus

Angus Gordon
Bainbridge Island WA

birdworks@gmail.com

On Sat, Apr 18, 2009 at 3:48 PM, miguel pacheco <mundopacheco@gmail.com>wrote:

> Hey Angus, when the coolant expands, it should flow into the expansion
> tank. This is the way a coolant recovery system is designed to work,
> after all. I realize the two symptoms you describe would cause flow
> into the expansion bottle, but this happens in a correctly working
> system too....or am I missing something?
> Thanks,
> Miguel
>