PCV Valve rattlin like CRAZY! - TCCoA Forums
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post #1 of 7 (permalink) Old 09-05-2007, 08:09 AM Thread Starter
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PCV Valve rattlin like CRAZY!

Is this normal? Never heard it rattle so much before. I get a constant rattle from it at idle. It tends to simmer down with generous throttle. Is is related to my oil pressure?
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post #2 of 7 (permalink) Old 09-10-2007, 06:18 PM
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Not related to oil pressure and completely normal.


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post #3 of 7 (permalink) Old 09-12-2007, 10:07 AM
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pcv valve is supposed to rattle, but more when you take it out of the cover and shake it. now, if its loose in the cover, then thats a problem.

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post #4 of 7 (permalink) Old 09-12-2007, 10:10 AM
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is the rubber grommet sealing? if not there's a vac leak there

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post #5 of 7 (permalink) Old 09-12-2007, 11:52 AM
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Just take some gum cutter and and clean it out or just replace it.
If they get a little sludge in them they tend to flutter.

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post #6 of 7 (permalink) Old 09-23-2007, 08:12 AM Thread Starter
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Well just replaced the PCV, and problem fixed. Turns out that the valve itself worked properly but the i noticed that not only could i spin the pvc in the rubber boot but i could also spin the boot around the plastic intake tube on the other side of the boot. Which indicated a NOT so tight seal between the 3 components. So i replaced the boot and valve, and now everything is AOK. The new valve does NOT rattle like the old one. I can still hear it cycle but it's more harmonious w/ the engine and alot smoother. Thanks for the input fellas!
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post #7 of 7 (permalink) Old 09-23-2007, 05:44 PM
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I had one go bad on my Chevy truck and cause a nasty vacuum leak. I think you should just replace them every so often, they're only, like, 3 bucks.

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