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pcv valve

Posted: Mon Nov 17, 2008 5:08 pm
by flyingdoc
hi,does anyone know if there is a pcv valve on the bongo,if so where is it located? + do they have o2 sensors.

Re: pcv valve

Posted: Mon Nov 17, 2008 5:32 pm
by scanner
Petrol or diesel?

Re: pcv valve

Posted: Wed Nov 19, 2008 10:19 pm
by cheffy34
Whats a pcv valve scanner :?:

Re: pcv valve

Posted: Wed Nov 19, 2008 11:33 pm
by francophile1947
cheffy34 wrote:Whats a pcv valve scanner :?:
See http://en.wikipedia.org/wiki/PCV_valve

Re: pcv valve

Posted: Thu Nov 20, 2008 12:25 am
by scanner
I didn't ask the question but I suspect as John's found it's a Positive Crankcase Ventilation valve.
The Positive Crankcase Ventilation valve, or PCV valve, is a one-way valve that ensures continual evacuation of gases from inside a gasoline internal combustion engine's crankcase.
I know petrols have to have them and they use the manifold vacuum to do the "Positive Ventilation".
But not sure about diesels (esp turbos) as they don't have manifold vacuum to do the "Positive Ventilation" bit.

Re: pcv valve

Posted: Thu Nov 20, 2008 12:56 am
by dandywarhol
........but they do have a vacuum pump..... :wink: There must be some form of crankcase breathing system otherwise the oil seals would pop - I'll have a squint at lushprojects pages sometime.

Re: pcv valve

Posted: Thu Nov 20, 2008 9:41 am
by cheffy34
francophile1947 wrote:
cheffy34 wrote:Whats a pcv valve scanner :?:
See http://en.wikipedia.org/wiki/PCV_valve


Thanks francophile :roll: a breather then :roll:

Re: pcv valve

Posted: Thu Nov 20, 2008 12:04 pm
by scanner
dandywarhol wrote:........but they do have a vacuum pump..... :wink: There must be some form of crankcase breathing system otherwise the oil seals would pop - I'll have a squint at lushprojects pages sometime.
I've never seen a diesel vacuum pump that connects to any sort of PCV valve and I don't think I'd like to see one that has been connected to one and sucking on all that goo for any length of time.
The crankcase has to have a breather that's obvious, but I'm not sure it vents to the inlet system anywhere or how.