Hans Brouwer wrote:

> Hi,
>
> The engine temperature is fine on the highways but in town or traffic
> jams goes up to quickly and the fan goes on.
>
> What kind of tests can you do to determine if the engine is being cooled
> properly?
> How do you test the flow through of the radiator?
>
> I am using the orange long life prestone coolant.
>
> Thanks,
>
> Hans
> Cumberland, Ontario
>
> 86 Westfalia (his)
> 92 Cabriolet (hers)

If the fan keeps the temperature under control, you may not have a problem.
Air flow is needed, so when you aren't moving the fan should operate.  If
the radiator seems to work well when on the hiway, it is probably OK, in my
opinion.

Larry A.