Coolant leaks are a common problem with just about any vehicle old and new. The older cars most of the time will have deteriorated or damaged hoses going to the radiator or for the heating system. Some problems come from just clamps being loose and others can come from water pump seals and gaskets, from the radiator core or heat core, engine drain, or water jacket freeze plugs leaking or have come completely out.
Other things that can cause problems is if something has punctured the radiator by it coming up off the road or if a coolant hose comes in contact with a moving part.
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