pcv valves

GMCSyclone1

GMCSyclone1

NASTE MEMBER
Re: pcv valves

I went to Autozone and picked up two of the ones recommended for the standard V6. So far so good.
 
dgoodhue

dgoodhue

BuSTeD 4.3
Re: pcv valves

The AC delco number is 799C and they are stamped with an E on the bottom, if you have the wrong once it will cause problems. Under boost the rearward PCV valve has to be able to close (or you will be boosting the crankcase)
 
mrweelr

mrweelr

New member
Re: pcv valves

GM # 8995910. You can buy them from http://gmpartsdirect.com, but only in packs of 10. I would also like to replace my original ones if anyone knows of an alternate source. I rattled them both and that tested fine, but I can blow air through them both ways. Doesn't seem right.
 
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