MOST cooling system problems fall into two categories: lack of flow, and leaks.
Lack of flow can be from a bad water pump impeller, slipping belt, low coolant level, blocked coolant passages in the block or head[s], faulty thermostat, or collapsed hose[s]. Lack of airflow through the radiator can also be a cause of overheating, as well as blocked tubes/insufficient capacity of the radiator causing insufficient coolant flow.
Leaks can be external, as in coolant leaking FROM the cooling sstem. Leaks can also be internal, as in combustion gases leaking INTO the cooling system via a bad head gasket or a cracked head or block.
So take the information I've given you...then apply the information you already know to eliminate some of the POTENTIAL causes of overheating. What's left, then, are the POSSIBLE explanations for your problem. Long-distance diagnosis being an inexact science at best, I wish you well in your attempt at finding the cause and solving the problem.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
... [Read Article]
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