Pitter Patter from the PCV Valve - Is This Normal? - JeepForum.com
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Unread 05-13-2013, 07:44 AM   #1
webby88
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2000 WJ 
 
Join Date: Dec 2011
Location: New York, New York
Posts: 288
Pitter Patter from the PCV Valve - Is This Normal?

I recently noticed a clickty clackety sound from under my hood after a cold startup and I tracked to the PCV valve which in mounted on the oil fill tube.

I moved it around a bit and it calmed down.

So I figured it needs to be replaced, so $4 later it was done. Now, a few weeks later I am noticing that it is doing the same thing making a small racket in there.

What does it mean? Indication of something?

(oh, its my '00 GCL 4.7)

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Unread 05-13-2013, 11:26 AM   #2
imaguy3
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2004 WJ 
 
Join Date: Jun 2009
Location: Az
Posts: 1,440
The pcv valve makes noise... that's normal... There's a tiny little ball like check valve in there... It's just rattling around.

My old one didn't make a sound b/c it was clogged and stuck. The new one however rattles just fine. When it stops making noise I'd replace it.

check post #51 and #53
http://www.jeepforum.com/forum/f8/re...36/index4.html

http://www.agcoauto.com/content/news/p2_articleid/197

http://mgaguru.com/mgtech/engine/cv103.htm
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Unread 05-14-2013, 07:46 AM   #3
webby88
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2000 WJ 
 
Join Date: Dec 2011
Location: New York, New York
Posts: 288
Good to know! Thanks for the links!
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'00 Grand Cherokee Laredo 4.7 QT - Shes Alive!
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