Coolant in oil problem persists after oil cooler reseal had a leak coolant leak coming from water pump does it look like it just needs new gaskets : r MechanicAdvice The cooling system plays a critical role in ensuring the engine operates smoothly and efficiently. To prevent the engine from overheating and ensure it runs optimally, the coolant must be at the Auxiliary Coolant Pumps This infographic illustrates the engine lubrication and cooling system, highlighting key components that keep an engine running smoothly and prevent overheating. Oil System: The oil pump circulates pressurized oil, which passes through