PCV Valve Vibrates - 2002 4.3L

PCV Valve Vibrates - 2002 4.3L

Postby oneilldm [OP] » March 27th 2013, 12:07am

The other day I had the Dog House off and the motor running and I noticed the PCV Valve was making a noise.
I could feel it vibrating. I pulled it out and stuck my finger over it an it stopped... of course. I tried cleaning it...
Do you really need to replace them? Is it supposed to cycle really fast like that? How are they supposed to work?

Thanks!
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Re: PCV Valve Vibrates - 2002 4.3L

Postby chevymaher » March 27th 2013, 12:10am

Yes they cycle like that. Usually quieter but as long as it is, it's working.
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