Clean motor oil is important because if the oil were left unfiltered for a period of time, it could become saturated with tiny, hard particles that can wear surfaces in your engine.
The base plate of the can holds the gasket and is perforated with holes around the area just inside the gasket. A central hole is threaded to mate with the oil filter assembly on the engine block.
Inside the can is the filter material, most frequently made from synthetic fiber. Anti-Drain Back Valve: When your vehicle is not running, this valve flaps shut to prevent oil from seeping back into your oil filter from the engine. The relief valve discharges a small amount of unfiltered motor oil to give your engine a boost until it warms up.
End Discs: Two end discs on either side of the oil filter, made of metal or fiber, prevent unfiltered oil from passing through to your engine. It needs to be replaced regularly. Symptoms that your oil and oil filter need to be replaced could include: Acceleration problems Metallic noises under the hood Low oil pressure Changes in exhaust color Firestone Complete Auto Care can help. Up Next. From poor gas mileage to complete engine failure, find out what happens when you forget to change your oil.
You won't look at oil and your engine the same! High mileage oil can help keep vehicles with over 75, miles running newer, longer. Find out if its time to switch, with Firestone Complete Auto Care. End discs: On either side of the filter medium lies an end disc, usually made of fiber or metal. These discs prevent unfiltered oil from reaching the center steel tube and passing into the engine.
They are held firmly in place against the tapping plate by thin pieces of metal called retainers. As you can see from this list of oil filter parts, answering the question of how a filter works involves more than just sifting out debris through a filter medium.
Our certified mobile mechanics perform over services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair. Home Articles. The statements expressed above are only for informational purposes and should be independently verified.
Please see our terms of service for more details. These are built to a higher quality to withstand the damage that could occur during a hard race such as debris. Their internals are however engineered to resist high temperatures and to allow oil through with low levels of restriction, and their filter medium is designed to trap even smaller impurities to allow the engines to last in endurance races, for example.
In synthetic oil filters, the filter medium, which is usually made of a pleated paper-like material, is replaced with a synthetic material. Their casing is usually larger with a larger oil volume, and will last usually from 7, to 25, miles.
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