Where is the oil-gas separator located?

1 Answers
MacOwen
07/29/25 11:45pm
The oil-gas separator is generally located at the crankcase breather port or the exhaust pipe of the engine. The oil-gas separator, commonly referred to as the exhaust valve or pressure control valve, serves to separate oil from the gases expelled by the crankcase, thereby reducing the emission of oil from the crankcase breather port to the outside of the engine. If the oil-gas separator fails, it can cause oil vapor to enter the intake pipe and subsequently burn inside the cylinders, leading to oil consumption in the vehicle. It is crucial to repair any issues with the oil-gas separator promptly. Otherwise, in the short term, it may only result in oil consumption, but prolonged neglect can lead to engine seizure. If engine seizure occurs, the engine will either require a major overhaul or be rendered completely unusable.
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