Not at all familiar with this design. It does not click when you shake it although it works when you apply air pressure. Seems like the spring is so strong it does not let the piston move when you shake the valve. Dealer says a good working valve will click but whoever got good info from a dealer? Is anyone out there familiar with this type of PCV valve? Thanks.
http://www.partsgeek.com/catalog/2010/acura/mdx/air_intake/pcv_valve.html
http://www.partsgeek.com/catalog/2010/acura/mdx/air_intake/pcv_valve.html
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