Oil breather hose. - Haynes Forums

voucht Oil breather hose. 26th May 2013, 05:12 PM

Tatey Most people I have seen use... 26th May 2013, 05:19 PM

K4KEV Wot e said /\ Syl or you... 26th May 2013, 05:32 PM

voucht OK, excellent, that is what... 26th May 2013, 06:11 PM

alga The positive crankcase... 27th May 2013, 11:50 PM

voucht Thank you Albertas for the... 11th June 2013, 04:09 PM

flyerncle There is a possibilty of a... 11th June 2013, 09:43 PM

voucht Thanks for the tip, that is... 12th June 2013, 07:42 PM

27th May 2013, 11:50 PM

alga

Senior Member

Join Date: Feb 2009

Location: Vilnius, Lithuania

Posts: 1,249

The positive crankcase ventilation system is sucking the filtered air through the breather in the valve cover. The air then mixes with the crankcase gases and is scavenged through the PCV valve by the intake vacuum.

In other words, connecting both breathers to the same catch tank just negates the whole system. Fit a small filter on the valve cover. Like this: http://www.ebay.co.uk/itm/NEW-Breath...item45f79c00e3
Keep the PCV valve connected to the intake.

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