Cooling System Flush Advice Needed

[garyd1961]

Originally Posted by dhunt00c

OK, when I say mildly used, it's probably very low mileage / hours of run, but it's an old engine and sat for a very long time.

In my situation, there is no heater core. It's just the engine, the water pump, the thermostat, and the new radiator.

First thing you should do is pull the radiator hoses of and see what's in there.