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Discussion Starter #1
I just changed the PCV valve on my 2002 Chevy Suburban with 5.3L Flex-Fuel engine. I was replacing the knock sensors and decided to replace the PCV valve. The old valve (AC/Delco) didn't rattle when you shook it, but the new one (Purolator) made the rattling sound I'm used to hearing. I looked a little closer and didn't see any internal parts in the old PCV valve. Also, its orifice hole was noticeable smaller than the replacement.

Has anyone else notice this?
 

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Nope, you had the only one!:lol:

---------- Post added at 04:56 PM ---------- Previous post was at 04:55 PM ----------

GM was just messing with your head.:glasses:
 
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