Engine Oil Cap Suction at Christopher Ardoin blog

Engine Oil Cap Suction. If anything, you should feel a slight suction when you remove the oil filler cap. That pressure is from blowby of the ring pack into the crankcase. If the pcv system is up to snuff, there should be a negative pressure. My car runs good until the engine warms up and i start hearing almost a squealing/chirping sound that goes away when i rev it. For anyone reading this, you should have a little suction at the dipstick when you put your finger over it. I had lots of pressure out at the front driver side valve cover gasket connection to the ccv hose when the engine was running at idle before i did the valve cover. If all others have the same responses, then i can rule it out. I noticed that there is a considerably strong vacuum/suction when i remove the oil filler cap while the engine is on. But a lot of air coming out of the oil filler cap is unusual. Mine has rough idling and strong suction when the oil cap is removed. It should also stumble a bit. If you feel pressure instead, the first thing to check is.

Mine has rough idling and strong suction when the oil cap is removed. If you feel pressure instead, the first thing to check is. That pressure is from blowby of the ring pack into the crankcase. But a lot of air coming out of the oil filler cap is unusual. If all others have the same responses, then i can rule it out. I had lots of pressure out at the front driver side valve cover gasket connection to the ccv hose when the engine was running at idle before i did the valve cover. If the pcv system is up to snuff, there should be a negative pressure. If anything, you should feel a slight suction when you remove the oil filler cap. It should also stumble a bit. For anyone reading this, you should have a little suction at the dipstick when you put your finger over it.

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Engine Oil Cap Suction That pressure is from blowby of the ring pack into the crankcase. If anything, you should feel a slight suction when you remove the oil filler cap. If the pcv system is up to snuff, there should be a negative pressure. My car runs good until the engine warms up and i start hearing almost a squealing/chirping sound that goes away when i rev it. I noticed that there is a considerably strong vacuum/suction when i remove the oil filler cap while the engine is on. But a lot of air coming out of the oil filler cap is unusual. If all others have the same responses, then i can rule it out. I had lots of pressure out at the front driver side valve cover gasket connection to the ccv hose when the engine was running at idle before i did the valve cover. It should also stumble a bit. If you feel pressure instead, the first thing to check is. For anyone reading this, you should have a little suction at the dipstick when you put your finger over it. That pressure is from blowby of the ring pack into the crankcase. Mine has rough idling and strong suction when the oil cap is removed.