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Old 08-12-2008, 11:15 PM
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we350z we350z is offline
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Cool. I think the valve covers are fine then. I have the entire half axle off the front passenger side so needless to say i can see in there pretty well lol. I'll take a pic. I think some of the cv joint moly grease got sprayed in there somehow when the cv boot burst - perhaps thats all that was leaking. But I am going to check out the oil seperator send/return lines nonetheless.

Quote:
Originally Posted by supersteve
To check the valve covers you just need to look at the seam where they meet the head. You could also look in the spark plug wells. I don't think it is either. If the valve cover gaskets where leaking, chances are you would smell oil burning after driving. If the spark plug wells where leaking you would most likely foul out the plug.

As far as I know the valley pan will only leak anti freeze. There are no oil galleys there.

I really suspect it is the oil return line that goes down the back of the engine from the oil sep to the oil pan. IIRC looking through the front passenger side wheel well with the wheels turned to the left gives a pretty good view with a bright light. Again, it's tight but if the engine is wet on that passenger side rear corner you have found the leak.
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