CMF_david (2)
» CMF Member
What is the easiest way to test to see if your PCV valve is working?
Can it be tested without any electronics?
Can it be tested without any electronics?
PCV Valve
- Thread starter CMF_david (2)
- Start date
CMF_asdame
» CMF Memberpull the pcv out of the cam cover nearby the airbox and shake it around, the valve inside should be able to rattle freely unless it's fully gunked up. wipe clean both ends and try blowing through it. it should only allow you to blow through one way.
i.e. only allows vapour to be sucked out one-way from the cam cover to the inlet manifold.
i.e. only allows vapour to be sucked out one-way from the cam cover to the inlet manifold.
CMF_asdame
» CMF Member
CMF_david (2)
» CMF MemberWhen I pulled of the pipe denoted by your red arrow I could blow both into and out of the pipe. So I tried the oned with the green arrow (blowing into and sucking out of the engine block). This allowed me to blow into it. However, when I attempted to suck air out of it, it would only let me do it briefly and then I would here a 'click' and then it was hard to continue sucking. I assume this 'click' was the PCV valve closing. Would this be correct?
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CMF_asdame
» CMF Memberthe pcv valve is that round plastic part with some white writing on it that the pipe was connected to (red arrowed)
pull out the pipe then pull/rock the valve out of the cam cover to test it proper.
the pcv is push fitted to the cam cover via a rubber gromet seal.
your breather pipe test result sounds like the valves moving ok, but i'd test the pcv itself to see how effective it's workin.
pull out the pipe then pull/rock the valve out of the cam cover to test it proper.
the pcv is push fitted to the cam cover via a rubber gromet seal.
your breather pipe test result sounds like the valves moving ok, but i'd test the pcv itself to see how effective it's workin.