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PCV filter blocked with oil

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calofmilang

az supporter

Joined: Tue Aug 02, 2011 5:59 pm
Posts: 14
Location: Milang
Vehicle: cottage green sierra

Posted: Wed Nov 02, 2011 4:18 am

I'm puzzled as to why the PCV filter on the rocker cover keeps clogging with oil. when it gets fully clogged oil starts to get pushed out from under the oil cap.

when I have cleaned out the filter, under load I can hear air rushing out the filter. Is this normal? I thought the PCV was to let air into the rocker cover?

I've searched through here but haven't found anything dealing with this specific problem.

any help would be much appreciated because I'm sick of cleaning out the filter every week or so

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steak_knife

az supporter

Joined: Fri May 22, 2009 11:30 pm
Posts: 21335
Location: Smart Ass Island

Posted: Wed Nov 02, 2011 5:00 am

calofmilang wrote:

I'm puzzled as to why the PCV filter on the rocker cover keeps clogging with oil. when it gets fully clogged oil starts to get pushed out from under the oil cap.

when I have cleaned out the filter, under load I can hear air rushing out the filter. Is this normal? I thought the PCV was to let air into the rocker cover?

I've searched through here but haven't found anything dealing with this specific problem.

any help would be much appreciated because I'm sick of cleaning out the filter every week or so

Out...

PCV, positive crank-case ventilation
By the sound's of it you have excess blow by, so compression is either going past the ring's or valve guide's...

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royce

omnipotent being

Joined: Sun Jun 11, 2006 11:30 pm
Posts: 17216
Location: Pluto

Posted: Wed Nov 02, 2011 5:12 am

how does compression get past the valve guides

steak_knife

az supporter

Joined: Fri May 22, 2009 11:30 pm
Posts: 21335
Location: Smart Ass Island

Posted: Wed Nov 02, 2011 5:41 am

royce wrote:

how does compression get past the valve guides

Fuck ya!!!!

Was trying to start a new interweb's bullshit story!!!!!! :roll:

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MacDaddy

az supporter

Joined: Thu Mar 26, 2009 10:30 pm
Posts: 10453
Location: Perth, Australia
Vehicle: Jeep

Posted: Wed Nov 02, 2011 6:50 am

steak_knife wrote:

royce wrote:

how does compression get past the valve guides

Fuck ya!!!!

Was trying to start a new interweb's bullshit story!!!!!! :roll:

calofmilang

az supporter

Joined: Tue Aug 02, 2011 5:59 pm
Posts: 14
Location: Milang
Vehicle: cottage green sierra

Posted: Wed Nov 02, 2011 4:20 pm

cheers, I'm guessing the only solution is replacing the rings?

or could I get lucky and only have to replace the valve guide gaskets :wink:

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steak_knife

az supporter

Joined: Fri May 22, 2009 11:30 pm
Posts: 21335
Location: Smart Ass Island

Posted: Thu Nov 03, 2011 7:06 am

calofmilang wrote:

cheers, I'm guessing the only solution is replacing the rings?

or could I get lucky and only have to replace the valve guide gaskets :wink:

You can get a can of it...

Unless your on your P's, it sound's like a good time for a 1.6...

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ajsr

az supporter

Joined: Sun Dec 28, 2008 10:30 pm
Posts: 3712
Location: melb

Posted: Thu Nov 03, 2011 7:18 am

what about trying some high compression valve guides with double forged valve springs.
I'd bet that would fix the blow by

Scrawny

I live here!

Joined: Tue Jan 29, 2008 10:30 pm
Posts: 10528
Location: Brissie
Vehicle: Popemobile

Posted: Thu Nov 03, 2011 7:23 am

How bout just changing the filter to a catch can?

tonyevans

az supporter

Joined: Sun Jan 16, 2011 11:18 pm
Posts: 1998
Location: Lightning Ridge NSW
Vehicle: SJ40 - LJ50 - LJ50V - Vitara

Posted: Thu Nov 03, 2011 7:29 pm

steak_knife wrote:

royce wrote:

how does compression get past the valve guides

Fuck ya!!!!

Was trying to start a new interweb's bullshit story!!!!!! :roll:

What like the one about Julie and Bob Brown both kicking out their boyfriends and getting married in the Elvis chapel of love. :wink:

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calofmilang

az supporter

Joined: Tue Aug 02, 2011 5:59 pm
Posts: 14
Location: Milang
Vehicle: cottage green sierra

Posted: Fri Nov 04, 2011 2:36 am

the catch can seems like a handy short term solution to stop the oil going everywhere.
Might try and dodgey one up over the weekend.

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