89 100 Radiator getting low fast?

[David Head]

Water pump - it evaporates before it leaks out from behind the cover. As the
car cools it draws a vacuum that holds the water in. Get it fixed quickly.

"Martin W. N. Suryadarma" wrote:

> Hi all,
>
> In the past month or so, ever since it got cold, the radiator reservoir
> has been getting low very quick. I would drive it from home, then the
> warning light will come on. So I had to pull over, looked in the tank, and
> it's 1/2 empty. So I topped it with the coolant. Then driving home on
> the way the same thing would happen again. I don't understand how this is
> possible. I don't see any leaks or anything. I mean this looks like big
> time leak, but I don't see anything under the car when it's parked. Any
> hints/helps is greatly appreciated. The car is 1989 Audi 100. Thanks.
>
> Martin