>
> Does the rad fan come on when the engine has been in heavy traffic for 5
> minutes?
>
> Warm it up all the way, take it to a quiet side street somewhere, and then
> simulate heavy stop-and-go "inch forward" traffic for 5 minutes. If your
> fan is not coming on, the temp gauge will begin to rise.

I forgot to answer this part -- no the rad fan does not come on, whether
driving at speed for a while or stop-and-go. The temp guage doesn't rise to
much, no more than 1/3 of the way up.