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Hardin Marine oil filter mount leak fest
Running the vertical mount with the big filter and have used both Moroso and K&N and both leak horribly. This is a new build and this is only from priming the engine. Oil leaking out of where the filter meets the mount. No imperfections on the mount side perfectly smooth and very tight. Looks nice but hate leaks. Anyone else have this issue?https://cimg9.ibsrv.net/gimg/www.off...c4470fbffc.jpg
https://cimg1.ibsrv.net/gimg/www.off...946db90dd8.jpg |
I posted about the same issue here before. I even emailed Hardin about it but no response. I put some uv dye in the oil and shined a black light on it and it was actually an invisible leak coming from the fitting and threads above it pooling on the lip of the filter. I tried new fittings, different sealers, under torquing, over torquing with not much luck. I ran into other issues before getting to the bottom of it but I hate the friggin mess.
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Had one cost me 20K for rebuild and a DNF in Cocoa Beach 2017.
Steve |
Originally Posted by smiklos@sunprint
(Post 4622445)
Had one cost me 20K for rebuild and a DNF in Cocoa Beach 2017.
Steve |
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Try this, clean the filter head matting surface real good. Take a new filter and barely apply a thin film of oil on the gasket. Screw filter on until the gasket just touches the filter head. Remove it and see if there is an imprint of the gasket on the surface all around
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It looks like the gasket is overlapping the flange, not good
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I have used both the bigger and smaller filter you can run with this setup and even the smaller filter leaks out of the same area around the gasket. I have taken it off and on more times than I care to count to try and see why. Seal looks perfect with both size filters but I agree the bigger filter does overlap the flange. Sucks as these are not cheap. Hate to even say it but was considering a light smear of RTV on the gasket.
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Originally Posted by Tahoe540
(Post 4622535)
I have used both the bigger and smaller filter you can run with this setup and even the smaller filter leaks out of the same area around the gasket. I have taken it off and on more times than I care to count to try and see why. Seal looks perfect with both size filters but I agree the bigger filter does overlap the flange. Sucks as these are not cheap. Hate to even say it but was considering a light smear of RTV on the gasket.
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I have the Teague one...hopefully its dfferent and doesnt have the same problems... TCM BIL067
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Originally Posted by Baja Rooster
(Post 4622495)
How exactly did it fail?
Steve |
Originally Posted by smiklos@sunprint
(Post 4622648)
My failure is odd. Raced the piece for over a year zero problems. Leake formed and can see no defects. I use all hardin Marine accessories on our engine and they have always been reliable and well thought out. The tech support at Hardin is great and I am still a customer just a very odd failure.
Steve It’s a gorgeous piece. But what a pita to seal up. The best luck that I’ve had on the threads is Permatex Aero form-a-gasket with yellow tephlon tape on the last row of threads on the fitting. Hokey af, but hopefully I get better seal when I redo everything on the new engine. |
Have this part and had the same problem. I finally found the leak was from the mounting bolts in the bracket. Thread sealer cured it I was sure it was leaking at the top of the filter also until I seperated the bracket and could see the oil between the two parts. Good luck. |
was the bottom (s) straight edged across to make sure all that was level and straight from all cross sections ? Can you give out the part number for this mount ? thanks
I would look at the bottom portion with a powerful magnify glass to see if any porosity is present. I prob will ask them about it to see what their take is on it. Rick at CP is very helpful plus on top of everything Surely CP / Hardin / KE ---- they do not want to see anything like this happen either. |
At least it looks to be out of the boat. Can you remove housing, clean up, install new filter, hook air to it and bubble test? See exactly where the leak is on the housing?
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I have not read the thread, I don't have to. Everything I've bought from them had issues. Oil pans did not fit, oil adapters didn't fit with their own pans , pans rotted out in 3 years( in a brand new boat mind you. The headers leak every year which I just keep a eye on and fix as needed. I've heard some good things by some but not me . I did however get good service from Mike mays when he had some tails made for me but I bet they came from a shop with people that care about a decent product. |
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