Oil leak help

Hi everyone. I’m far from a mechanic but am handy. I’ve got an oil leak that I believe comes from the hoses that go from and to the block to the filter. The leak seems to be at both ends. Any ideas?
 

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Scott "Elder" Harrison

"Growing old is mandatory, growing up is optional"
Staff member
Contributing Member
Hose looks wet all the way to the filter. Go to the highest point to find the source. Probably at the remote mounting plate or hose connection at that plate.

BUT, I'm not sure why the hose is wet on top near the filter unless the hose itself is bad.
 

Eric Nelson

Contributing Member
Member
Hi everyone. I’m far from a mechanic but am handy. I’ve got an oil leak that I believe comes from the hoses that go from and to the block to the filter. The leak seems to be at both ends. Any ideas?
That sure looks like it's coming through the hose pores to me, but it's hard to tell from a photo. At any rate, rubber hose with hose clamps is NOT the way I'd plumb a remote filter. I'd redo that with stainless hose and AN fittings.
 

Eric Nelson

Contributing Member
Member
Any idea what size?
What's on there looks like about the right size. The internal diameter of the fittings on the block and filter mounting plate would be the minimum internal diameter of the hose and AN fittings with which you replace the rubber hose and hose clamps.
 
Last edited:

RickE

Rick Estes
Contributing Member
Check the compatibility of your hoses for an oil system. The hoses are sweating oil beads due to the composition of the hose not being oil-resistant. Almost any PVC hose will work for oil.
Your hoses will eventually turn to gel and fail not being able to withstand a petroleum medium.
HTH.
 

kitcarbp

Bill Penzes Jr
Contributing Member
Yeah I’m with Rick, there should be printed SAE hose type number on quality hoses, but the pics show evidence of hose porosity as RickE points out. The beads or oil are the clue. I would use black AN fittings with black braided style hose for oil use. Hose Size matters per the posts above. The stainless AN hose looks nice too. I would change the hoses pretty soon.
 

Doug Smith

Contributing Member
I 100% agree with Elder on the Koul Tools for assembling AN lines. Really helps assemble the ends. If you're new to making the lines and don't mind spending the money on tools, I bought these (https://www.summitracing.com/parts/ear-d016erl). They are great to make sure you don't have any leaks when you are done rather than putting them on the car and finding out that you have a leak. Don't ask how I learned that lesson.
 

phil mead

Contributing Member
Member
I recently replaced oil lines on a local cobra that looked like those. The rubber was totally oil saturated. Replace those immediately!! I really like the "push lock" fittings and hose better than braided. Easier to assemble more flexible and cleaner look. The quality of Earls and Fragola are very good.
 
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