Symptom: An engine’s cooling system is overheating. The coolant level is low, but there are no visible leaks and no water in the engine crankcase to hint of water jacket or cylinder head problems.

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A John Deere dealer's mistake on a 700K dozer has led to a significant coolant leak. After multiple unsuccessful repair attempts, the C&C team investigates and identifies the root cause: a leaking ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

QUESTION -- I am having a problem with my 1995 Oldsmobile Achieva. I don't know if it's normal that the temperature gauge is reaching into the red mark and then just goes back in between the white and ...