My Innova 2008 model has a gas engine with over 130,000km ODO. Read somewhere about Oil Catch Cans... My questions are: Should I install one (readily available is MANN Provent 200) considering na gas yung engine ko? Marami ba dito nag-install ng ganito? Is it difficult to maintain? Complicated ba ang maintenance to a noob just like me who wants to learn and try it out? Can the maintenance be done during the 5,000km PMS?
It depends upon the OCC that you will install. Some are easy yo maintain others are not. But most aftermarket OCC have easy drain plugs. Once a year lang ang drain ng oil niyan.
Just make sure na yung sukat ng intake at nung sa breathet sa valve cover mo ay pareho. Just do some research on the net about OCC to get a better understanding.
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For gasoline, crankcase ventilation is controlled by the PCV valve. You just need to maintain that PCV valve to avoid buildup of gunk and unecessary pressure.
For diesels, crankcase is open directly vented in the air-intake manifold that is why negative pressure amplifies the oil-mist being ingested back to the intake, hence the need to install OCC.