Quote:
Originally Posted by gujianping88@hotmail.com
Hi everyone
I just find this line is sucking air.
Can I disconnect it and just leave there?
Is this side suck air into engine? Other side deliver air fuel oil to intake manifold?
Thanks
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Yep, like ol @
Grady said, that's part of the engines PCV (Positive Crankcase Ventilation) system. It's job is to ventilate the crankcase gasses (oil fumes) back into the intake system to be burnt by the combustion process. Why? So that the oil fumes created by blow-by (compressed gasses escaping past the oil and compression rings of the pistons) don't get exited directly into the atmosphere.
Back in the day, we didn't worry about that and just had a crankcase venting tube down along side of the engine block that vented to the open air. No problem unless you were "parking" on a cold, still, winter night and your girlfriend insisted on keeping the car running so the heater could keep the inside of the car warm, then it could get stinky in the cabin. And, that's all the excuse they needed to make you move on -
Wait a minute - what year is this? 2020! - ohhhhh, shit, I napped too long this time -
Bye-bye -
