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MOPARornoCAR
Dodge Dakota
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8/12/2010
17:29:13
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 Subject: proper PCV valve function
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Message:
hello
i have a 2001 5.9 and was curious if someone can explain or tell me how to tell if my pcv valve is faulty?
when i pull it out of grommet , while engine running it has alot of suction???
Thanks!
Bryan
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What
Dodge Dakota
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8/13/2010
18:55:19
| RE: proper PCV valve function
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Message:
If it rattles and you have suction it is working.
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JerryM
Dodge Dakota
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8/14/2010
00:02:59
| RE: proper PCV valve function
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yep, the rattle is the trick. It is a check valve that let's gas flow one way. Sometimes I'll spray a little cleaner inside also.
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MOPARornoCAR
Dodge Dakota
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8/14/2010
08:52:13
| RE: proper PCV valve function
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Message:
Thanks guys...
so while engine idles it should have suction?
when does it shut .....seems it would suck oil out ??????
Thanks again!
Bryan
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JerryM
Dodge Dakota
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8/14/2010
11:51:46
| RE: proper PCV valve function
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Message:
It just maintains a slight negative pressure on the crankcase, which removes oil vapor and exhaust gases that are sent back to the intake manifold to be reburned. Not enough vacuum to suck out oil though.
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66
Dodge Dakota
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8/14/2010
14:06:49
| RE: proper PCV valve function
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Message:
if U want good suction hemi is the guy to see
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MOPARornoCAR
Dodge Dakota
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8/14/2010
15:33:34
| RE: proper PCV valve function
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Message:
thanks everyone....66 not sure if that applies to my topic though....
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