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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, ...

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 ...

.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 268,879 views · 6:43.

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.yourmechanic.com/article/symptoms-of-a-bad-or-failing-positive-crankcase-ventilation-pcv-valve

Jan 11, 2016 ... Bad or Failing Positive Crankcase Ventilation (PCV) Valve Inspection ... or the car is not working like it should, have the PCV valve looked at ...

oppositelock.kinja.com/ditch-that-pcv-system-before-it-is-too-late-1634156554

Sep 12, 2014 ... It gets inserted between the outlet of the PCV valve where the pressure ... How does it work: A good catch can has a “media” of some sort in the ...

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

Mar 23, 2016 ... The important function of a working PCV valve, how it works, signs that it's failing, and how to test. ... If it does not rattle, it needs to be replaced.

www.aa1car.com/library/pcv.htm

A hose connects the top of the PCV valve to a vacuum port on the throttle body, ... emissions or engine performance -- provided everything is working correctly. ... But the tapered shape of the pintle does not allow maximum flow in this position.

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 ...

www.motorweek.org/features/goss_garage/clearing_up_pcv_valve_problems

There's a lot more to a PCV system than just the valve. What the PCV system does is it draws fumes from the oil pan back into the intake manifold and burns ...