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Would it show other symptoms? Posted by B Millar [Email] (#1109) [Profile/Gallery] (more from B Millar) on Wed, 2 Jul 2008 14:54:38 In Reply to: Re: My V6 is STILL smoking and Pushing Oil, SWEDECAR [Profile/Gallery] , Wed, 2 Jul 2008 08:24:41 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Would worn piston rings show other problems? I've never had smoke during acceleration, only after accelerating when my turbo was shot. Today I took the oil fill cap off and held my hand over the hole. I didn't really feel anything. Then I rubber-banded a small plastic bag over the fill hole and started the car. I saw it being sucked into the hole and shut off right away to avoid pulling pieces of plastic out of the cams all night. The engine was hot so I didn't really rev it much with my hand over the hole. Hot oil was splashing around a bit. The oil is not escaping past the gasket. It's getting out between where the aluminum of the valve cover meets the black plastic fill tube. I cleaned up the oil puddle and drove it around the block using little to no boost (slow as hell). Got back and checked, no puddle. Then went around the block again driving hard, tapping into the red on the boost gauge. Puddle's back. I'm thinking at idle it's got enough vacuum to keep negative crankcase pressure but as soon as it goes under boost there must be enough blow-by that it creates positive pressure. I talked to the local Saab guy today and he mentioned a leak down test like you did for a couple hundred bucks. I may think about doing one. I don't really want to know but it might help to make the decision to take the car off life support and just run it into the ground. Thanks for your help.
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