Rusty anti freeze came pouring under my 2005 dodge caravan
I hope you're not driving it...They're called freeze plugs, and they are for when you have added too much water (not enough anti-freeze) to the system and it gets too cold, the freeze plug should pop out before the block cracks (very expensive). The extra water content also helps the plug to rust. They're relatively cheap, and not too hard to replace (if you can get to it without pulling the engine). I'm not sure about the Dodge, but most plugs are a press fit, meaning you simply put the plug up to the hole (make sure the old plug is out), take a small block of wood to evenly distribute the force to push the new plug in, and tap it in with a hammer until it is flush with the block. And make sure to fill your radiator with a 50/50 solution of water and anti-freeze...
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