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I’ve been cleaning up the old oil bath air filter. On the bottom I found oil residue from what I found later to be tiny pin holes in some of the metal. I’ve been considering brazing the holes, metal patches with JB Weld, and coating the inside with an epoxy liner. Has anyone else experienced this, and if so how did you resolve the issue?
I’ve seen people convert their oil filters to use the paper ones. Does that affect values or points when altering the filters? Converting to paper may be the ultimate option, but I kinda wanted to keep the original original.
I patched mine with a small piece of sheet metal and JB Weld. I think the JB will hold up, but was also thinking of coating the whole bottom with an epoxy or something that isn’t affected by motor oil.
I had holes in a thermostat and water pump housing where rubber hoses connected on a 66 Mercedes 230SL that had probably been sitting for over 20 years. I ended up filling the holes with JB Weld and sanding them back down to shape. The parts are difficult to come by at anything but astronomical prices. So far, after 7 years, everything is holding up well in the cooling system. The only fear is, if something were to let loose, it may block a water passage. Since your dealing with the oil bath cleaner, your only concern would be if it started leaking again.
I like to keep everything original if I can. If you're going to remain stock, I feel putting up with the oil bath is worth the effort. Make sure that you have the repair areas squeaky clean prior to applying the JB and you should be fine.
Take care,
Tom L.
Last edited by Dirtrack49; Jan 31, 2019 at 12:37 PM.
Reason: additional information
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