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en.wikipedia.org/wiki/Crankcase_ventilation_system

A crankcase ventilation system is a one way passage for gases to escape in a controlled ... The road draft tube, though simple, has shortcomings: it does not function when ... agreed not to work jointly on smog control activities for a period of ten years. ... Intake manifold vacuum is applied to the crankcase via the PCV valve, ...

auto.howstuffworks.com/positive-crankcase-ventilation-system.htm

But to do that, we're going to have to give you a quick refresher course in how ... that sucks the blow-by gases through the PCV valve and back into the intake.

www.ask.com/youtube?q=How+Does+a+PCV+Valve+Work%3F&v=EPIfI9aZHt4
Jun 10, 2013 ... How Does a PCV System Work - Also Testing and Inspection of the PCV Valve - Duration: 6:43. Ratchets And Wrenches 329,580 views · 6:43.
www.ask.com/youtube?q=How+Does+a+PCV+Valve+Work%3F&v=5Kt5ubcQaK0
Dec 10, 2014 ... Here is a video on how the PCV system works on your car and also testing and inspecting procedure of the Valve and system components.

www.agcoauto.com/content/news/p2_articleid/197

If the PCV valve did not regulate air flow, the engine would act like it had a vacuum leak. Too much ... Original equipment grommets work and fit best. If the PCV ...

www.ask.com/youtube?q=How+Does+a+PCV+Valve+Work%3F&v=vpH9gZGDuTo
Jul 17, 2017 ... Bad pcv valve symptoms and how to test the yourself works mga guru. What is the pcv system, how does it work, and what type of pollution ...

axleaddict.com/auto-repair/How-to-do-a-PCV-valve-test

Jul 8, 2017 ... The important function of a working PCV valve, how it works, signs that it's ... the PCV valve does, what happens when it fails, and how to test it.

www.streetrod101.com/positive-crankcase-ventilation-pcv-system.html

A description of how the PCV valve operates. ... one that is very popular. What is the PCV system, how does it work, and what type of pollution is being reduced?

www.baldwinfilter.com/literature/english/10%20TSB's/94-2R1.pdf

The PCV system does this by using manifold vacuum to draw vapors ... flow or circulation within the system is controlled by the PCV Valve. The PCV. Valve is ...