2000 Dodge Durango Overheating and Smoking
My 2000 Dodge Durango is smoking and overheating. Added water to coolant
tank and checked hoses and fluids. Let sit for a while cooled off and then
when I drove again started rattling and smoking again.
Sounds like a blown headgasket, not only into the coolant but also between cylinders, thus the rattling, don't drive it as you could damage the engine severely if you haven't already done so.
As Tennisshoes said that is definitely your problem the other option for the rattling could be a lack of oil has destroyed the bearings or the oil has become so thin from the antifreeze/water that it no longer can provide a buffer between the rotating metal surfaces in the engine and has caused major damage.
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