aftermarket valve cover help
My 2006 sierra with a L33 engine suffers from bad valve covers which are letting the PCV suck up a ton of oil. I want to switch out the valve covers and I was thinking of going with some after market ones. My question is this: I have yet to find a set of after market covers that have the PCV tappings in them.... What do I do with these valve covers? Are people just not running a PCV valve anymore? That's not right... So what am I to do?:sigh:
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There should be a PCV valve in the rear of your drivers side valve cover you could replace. That or alot of people running the aftermarket covers have switched over to catch can setups in leu of the PCV.
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I believe your 2006 is a fixed oraface instead of a PCV valve as is mine. Going to aftermarket valve covers will not fix it, get a catch can instead.
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Thanks for the help guys. I have put on a catch can but I have to drain the oil every week. I get a good 1/2 quart every Sunday when I drain it. If I forget, then I get the smokey oil cloud at start up on Monday at work.
Mine is the fixed orfice type. I think I have been reading that it is a problem with the baffles or the return holes in the baffles are plugged. I could just replace the valve covers with new GM ones but I was hoping on using a cooler set of after market ones. There in lyes the problem... none of them seem to have the connections for a PCV valve or any venting for that matter. I was wondering how others are using these valve covers? |
Any ideas?? Anyone??:confused:
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Originally Posted by bitterfitter
(Post 5113258)
Thanks for the help guys. I have put on a catch can but I have to drain the oil every week. I get a good 1/2 quart every Sunday when I drain it. If I forget, then I get the smokey oil cloud at start up on Monday at work.
Mine is the fixed orfice type. I think I have been reading that it is a problem with the baffles or the return holes in the baffles are plugged. I could just replace the valve covers with new GM ones but I was hoping on using a cooler set of after market ones. There in lyes the problem... none of them seem to have the connections for a PCV valve or any venting for that matter. I was wondering how others are using these valve covers? |
I replaced the drivers side valve cover yesterday. I did not notice anything out of the ordinary under the old valve cover when I took it off. The valve train was clean and no sludge or gunk at all. I could not tell by looking if the oil drains in the baffle are plugged or not. I am going to run this new valve cover and let you guys know if I stop blowing oil from the PCV setup. Hopefully the catch can stays empty!
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Worked for me on my 07c. Warranty covered it. Found the TSB on a Camaro forum IIRC.
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catch can still empty
It has been five days since I changed the valve cover and the catch can is dry!! Looks like the old valve cover baffle was letting oil by for some reason. I will post if I notice a change or find out why.
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Originally Posted by bitterfitter
(Post 5120910)
It has been five days since I changed the valve cover and the catch can is dry!! Looks like the old valve cover baffle was letting oil by for some reason. I will post if I notice a change or find out why.
I'm like 30k miles since I changed mine without a puff of smoke. |
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