Quote Originally Posted by Scottydoggs View Post
well a durrr, put it back in now. thats what a over flow tanks does, takes coolant as the car gets hot and pushes it into the "over flow tank" hence the name. as the engine cools it sucks the coolant back in. why theres a hot and cold line on the tank.
Oh ok but can I just plug up the hole by the radiator cap

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