This idea (like the cfm idea) was presented by adidas in these forums. "Billet Aluminum Valve Cover Oil Cap w/Breather Air Filter Fit For LSX"Īnd purchase a 1/2 inch ID hose, ( the breather air filter is removed and replaced with 1/2 inch hose, and use the provided hose clamp to attach 1/2 inch hose to billet.) This radiator hose is a perfect fit for my equinox's. I added a radiator hose to duct the escaping air from the cfm oil cap to the ground, as a precaution. There is a gasket that seals between fresh air intake and the engine compartment, but if that gasket is damaged or missing, then crankcase smell might get into passenger compartment.ġ case has been reported in these forums of crankcase smell getting into passenger compartment, but no details are known if snow covered wiper area.Īs a precaution, as a test, even though I have no such smell on my 3 equinox's in a 1 year time frame, While getting crankcase gasses out of crankcase is good,Ī risk of venting at idle would be that if your fresh cabin air intake, which is outside of your engineĪt base of wipers, is covered wth snow and ice, you might suck in and smell "crankcase oily smell" into your passenger compartment. It vents even when my Equinox is at idle, when the intake manifold is pulling a 9 psi or 10 psi vacuum, as measured with a scan tool. The c-f-m performance valve cover breatherĪllows air out of engine at a very low psi of about 0.1 psi It should prevent rear main seal failure under cold conditions,Īnd it will probably will not vent under idle since cracking pressure is greater then 1 psi, and crankcase pressure at idle is less then 1 psi. This oil cap allows air out of crankcase and not in and costs the least. If you try to blow through it, when it is new and no oil on it, you will not be able to blow through it, which means that the cracking pressure will be between 1.5 and 2.5 psi. to reduce the chance of crankshaft rear main seal failure You have several choices when it comes to reducing crankcase pressure in your 2.4 liter ecotec LEA engine.
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