"aviatorc" <aviator.c@gmail.com> wrote in message
news:27eea7fa-9015-47dd-9b3e-547a51482c33@q35g2000hsg.googlegroups.com...
> My 2000 Accord (60k miles) is occasionally losing coolant externally;
> i.e. once in a while there is a small puddle (2 inches in diameter) on
> the driveway; I can't seem to see where it's coming from. All hoses
> appear to be in good shape; temp gauge remains the same as always
> (just under half-way). When it is parked after driving, there is the
> distinct odor of coolant, but can't find the source. Perhaps a pin-
> hole leak in the rad or a hose? What about the rad cap - after 8
> years, should it be changed?

I would suggest to wash your engine bay clean first.
Next day after washing it you will see new stain,
usually whitish color from the evaporated coolant.

I keep my engine bay washed once/twice a year
and all such small leaks are very apparent then
on a clean engine body.