Stupid Question Please help!!!

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02-20-2008 | 11:24 PM

streetracergirl

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Stupid Question Please help!!!

What is the pc valve and is it easy to change.

02-21-2008 | 02:38 AM

stew32

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Positive Crankcase Ventilation (PCV) valve? Should be easy. Does it NEED to be changed?

02-21-2008 | 03:30 AM

Kanchi

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It recomemnds being changed @ 30K but you might check it first before just going out and replacing it. BTW it is located here:

https://www.scionlife.com/tech/manua.../tc05_1349.gif

02-21-2008 | 05:23 AM

BurxBox

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Kanchi

Your good you. You. Your good.

02-21-2008 | 05:50 AM

SquallLHeart

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huh? why does it need to be changed?

02-21-2008 | 10:29 PM

pinoyFMtC

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Quote:

Originally Posted by SquallLHeart

huh? why does it need to be changed?

If it gets plugged with dirt or sludge...If its plugged "blow by" gases can't escape the crankcase...

02-22-2008 | 01:09 PM

HeathenBrewing

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PCV stands for Positive Crankcase Ventilation. Essentially it prevents too much pressure from building up in the crankcase. Pressure will cause oil to be forced past the rings. So a gummed up PCV will increase oil consumption.