Oil Cooler Lines

OEM Oil Cooler Lines

You won’t find oil cooler lines on all engines. They’re more prominent on supercharged and turbocharged engines, as well as on larger engines that require extra oil cooling, such as older full-sized SUVs. These lines run to an oil cooler, which works a lot like your car’s radiator, allowing air to remove excess heat before the oil is sent back into the engine. In most of these instances, the oil cooler lines will be solid metal tubes because the oil is pressurized, though some have reinforced rubber hose sections as well. If the oil cooler lines are leaking, the oil level can drop quickly, causing possible internal engine damage.

Oil cooler lines are pressurized when the engine is operating, and pressure can remain in the lines even after the engine is turned off. Leaking or clogged oil cooler lines can compromise the operation and safety of your engine. It may be wise to replace both the oil cooler lines and the fittings. Some lines are actually connected to the fittings, so replacement is mandatory. If the lines go to an oil cooler, it may be necessary to replace the oil cooler as well, particularly if the damage is due to debris buildup.

What is an Oil Cooler?

Oil for an engine is like blood for animals and people. Machines won't survive without it. 

There are numerous viscosities of fluids running through the car, whether for cooling, lubrication or both. With internal combustion engines only around 33% efficient, the other 67% is generally wasted by heat and noise, all of which have to dissipate in one way or another into the surroundings. 

Without a doubt, oil is an essential fluid in the car. The sheer amount of moving parts is inevitably transferred to a ton of friction, which can be extremely worn on the components when generated from metal-on-metal contact. Therefore, oil is used to lubricate these moving parts and, in turn, it picks up a lot of heat. 

As with the vast majority of the engine's heat energy, some form of heat exchanger generally needs to be released into the surroundings. With the water-cooling system, the radiator is in place, and with the oil-cooling system, you use oil coolers.

Oil coolers are primarily responsible for cooling an automobile's oil. This helps to extend the life of both the oil and the car's engine.

Automobile engines generate a tremendous amount of heat and therefore depend on transmission fluid for cooling. The ideal temperature range for engine oil is 180 degrees through 200 degrees. As oil cycles through tube and fin style coolers, heat is drawn from the oil to the external fins, dispelled by airflow.

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