> Anyway, I stopped, bought some distilled water, added it to it,
> and made it home, but it was overheating, and when it boiled
> over, it looked like mud boiling out of the overflow pot! This
> stuff looked like it had come out of a mudhole. So, I figure
> that if this is how that radiator looks, it has got to be stopped
> up. So I take it out, get it rodded, reinstall, flush out the
> heater hoses, install fresh anti-freeze and distilled water, and
> guess what? It's still overheating. My question is, should I
> look at a new thermostat or a water pump. I've had pumps go bad
> before, and they always made a lot of noise, but this one isn't.
> What do ya'll think?
Have you checked for poor circulation, ie is the radiator hot all over ?
Thermostats are cheap and easy, just change it.
I would be more suspicious of a leaking head gasket, or block or head crack.
Cooling system rust usually looks more orange in color, 'mud' may be oil in