hello- I have a 93 Ford escort auto tran and I am confused as to the proper way to change the coolant. My Haynes book says you need to drain the radiator and also drain through the block drain plug. My Popular Mechanics CD says that there is a Ford TSB stating that you only need to drain from the radiator and that Ford will be eliminating the block drain plug on the 94 models. I would think that because the radiator drain plug is below the engine block plug that you could just drain the coolant out the radiator. The coolant block plugs look completely rusted in place. Any ideas?
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