2002 chrysler 300M overheating
Sorry to be the bearer of bad news but your not the only one i have answered like this or in my too many years of experiance come across ,whats happening is the the water ports have coroded or the head gasket has corroded around a water port ,on idle it will run all day but under load --woosh-- i would advise that you remove the cylinder heads and go for it ,also if this is a V engine which i think it is then check the inlet manifold gasket as well although when this fails it normally causes the engine to use water not overheat also i know it may sound daft make sure you dont have a plastic bag stuck to the Ac radiator which is in front of the radiator but iam sure that if you check the Ac rad for the plastic bag and its clear then its a head overhaul ,this occurs on most vehicles around the 100.000 mile mark but depends on the model and make as some will last forever nearly and others go with regular monotony depending on the material used to make the gasket ,like the car from the 50s they had copper gaskets and lasted forever but a car from the 70s had composite and failed after a time
My car over heats and I need a water pump
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