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Originally Posted by Estii  Interesting point. But to drain the radiator I disconnected the 2 main hoses that connect to the thermostat. So all the fluid from the radiator AND block should have poured out. But there was only a small amount, like less then HALF a gallon. Also the new pump I ordered has a metal impeller so should be good for quite some time. |
Only way to drain the block is remove the coolant plugs located right above the oil pan, you will find small plugs that completely drain the block for winter storage without antifreeze in the cooling system.