ryjaytay38 Posted February 18, 2019 Share Posted February 18, 2019 (edited) Hey guys, I was trying to avoid dropping the upper oil pan so I bought a new lower oil pan hoping that was the oil leak and not the upper. I got the felpro gasket and bolted the new one on tightened to 80 in/lbs. It's still leaking!!! Is it possible that the surface is warped? When I pulled off the old one, it was on there completely with RTV, no gasket at all. Maybe whoever put on the previous one knew something I didn't. I cleaned it really well-scraped it and used break kleen, but I can look at the side and see it seeping. Very slightly, but it is seeping. What should I do? Total RTV or get another gasket and try again? I would appreciate any input!! Thanks! PS. Just looked in Haynes Manual and it says use RTV. It says nothing about a gasket other than if the flange is distorted, use a wood block and hammer to flatten and restore the gasket surface. I'd still like any personal advice if you've gone through it. Edited February 18, 2019 by ryjaytay38 Link to comment Share on other sites More sharing options...
QuasarDecimari Posted February 18, 2019 Share Posted February 18, 2019 I used a felpro gasket when I rebuilt my engine, I just slightly lubricated the gasket with assembly lube before applying it, and it hasn’t given me much issue. I have noticed it really isn’t a perfect seal too though, and I probably would have rather put RTV. Thankfully it’s an easy swap if need be. Given the amount of parts on these engines that are RTV sealed, I see nothing wrong with just using RTV on the oil pan itself, like the manual suggests. Link to comment Share on other sites More sharing options...
ryjaytay38 Posted February 18, 2019 Author Share Posted February 18, 2019 Thanks QuasarDecimari! I appreciate the input Link to comment Share on other sites More sharing options...
Sjackson2 Posted February 18, 2019 Share Posted February 18, 2019 I used permatex rtv per the fsm Link to comment Share on other sites More sharing options...
Bax03SE Posted February 18, 2019 Share Posted February 18, 2019 My lower oil pan was rusted, and used rtv only when replacing it and have had no issue. Rtv was used from the factory on the original pan as well. Link to comment Share on other sites More sharing options...
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