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Can I use a check valve in the oil feed line to keep oil from running back to the engine when not in use?

April 26, 2017engine feed line Oil running valve

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Can I use a check valve in the oil feed line to keep oil from running back to the engine when not in use?

1 Answer

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No. A check valve in the feed line creates a restriction causing cavitation in the pump. If the car has sat use a drill to spin the pump before firing the engine. This will prime the pump and ensure that any oil that has gravity fed out of the tank will be returned and it will have a good supply.