R Walling Posted July 13, 2021 Share Posted July 13, 2021 I am about to instal the air cleaner on my new ride and I noticed that the oil bath air cleaner has many small holes in the bottom of it. The bottom pan where the oil is placed was copper plated and started to rust from the outside. I was thinking of applying an epoxy adhesive for steel to the inside (after sandblasting) forming an even coating and then brush another coating on the outside bottom. I have placed a SS heat shield over the exhaust manifold that is directly under it. I thought of soldering it but there are too many holes. Has any one addressed this problem and has advice for me? Thank you, Roger. Link to comment Share on other sites More sharing options...
Rusty_OToole Posted July 13, 2021 Share Posted July 13, 2021 Best would be to replace it. If you can't find another one you might have to solder, weld or braze up the old one. Another idea would be to convert to a paper air filter by modifying the housing. Link to comment Share on other sites More sharing options...
TerryB Posted July 13, 2021 Share Posted July 13, 2021 Fill the holes with JB weld? 1 Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted July 13, 2021 Share Posted July 13, 2021 What TerryB said. I repaired the diesel fuel tanks on TWO semis that way. Never a leak. Ben Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted July 13, 2021 Share Posted July 13, 2021 Fiber glass will work, too. Ben Link to comment Share on other sites More sharing options...
nickelroadster Posted July 14, 2021 Share Posted July 14, 2021 One of the few things on a car that would be okay to use JB weld or fiberglass on. Link to comment Share on other sites More sharing options...
Rusty_OToole Posted July 14, 2021 Share Posted July 14, 2021 Don't forget, it has to hold oil. Epoxy or JB weld might work, I doubt fibreglass would hold long. Weld, solder or braze would be permanent. Link to comment Share on other sites More sharing options...
Guest Posted July 15, 2021 Share Posted July 15, 2021 (edited) I sand blasted the air cleaner oil pan and used a 3M product #08274 which is an epoxy adhesive for steel to steel. Not pretty but my aim was to put a fairly thick layer on the inside and outside. I will next paint it inside and out with primmer and industrial Imron urethane. Thanks for all the suggestions. Roger Edited July 15, 2021 by Roger Walling (see edit history) 1 Link to comment Share on other sites More sharing options...
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