Ford Expedition Engine Oil Coolers

Motor oil is responsible for numerous tasks, and engine cooling is one of them. More exactly, it's about cooling the parts that remain unreachable for antifreeze: pistons, connecting rods, cylinder walls, etc. All these engine components are hot enough, but their temperature has to achieve such a high level in order for the motor to operate most effectively. Meanwhile, removing heat is a hard task for lubricant, so there should be a fine balance between its characteristics and engine performance. The oil cooler of your Ford Expedition helps to reduce the temperature of oil and the risk of overheating thanks to the flow of cooling fluid.

Theoretically, the motor could run without this part if it had a lower operating temperature, i.e. a "cooler" thermostat, earlier activation of the radiator fan, etc. However, to prolong oil change intervals and eliminate the necessity to use special heat-resistant racing motor oils, engineers have preferred to implement the cooler. Like many other parts, it may need your attention, especially if you've revealed the lubricant in the cooling liquid or other leaks. Depending on the cooler's construction, you may need a new gasket, inlet or outlet tube, or even a new assembly. A nice collection of Ford Expedition oil coolers and other products is available here.