>  Just keep a sharp eye out for signs of the inner seals leaking, air
>in coolant,
>pinging/pounding noise when started cold and unexplained coolant loss.

Also: steam (white "smoke") after starting, before engine has fully
warmed up. This is vaporized coolant.

Dave
--
Dave Carpenter

Whatever you wish for me,
May you have twice as much.

"Any sufficiently advanced technology is indistinguishable from
magic." -- Arthur C. Clarke