AN fitting oil leak

Luciano13

Teflon tape is strictly a lubricant that helps make in the threads better. As for the flare? yes if its the flare, nothing will help it. The stainless steel t-tape would fill any imperfections in the threads. So long as u put a small amount, not interfering with the swivel.

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phunk

Thread sealant is used to seal the threads in a tapered pipe fitting. A tapered pipe fitting is not designed to seal without it, and its only pure luck if you manage to get a seal out of a tapered pipe thread without sealant.

Thread sealant has no business on the threads of a AN flare nut. The 37 degree flare seat is what provides the seal. With the flare correctly seated, it will be sealed. There is nothing for the threads to seal as the fluid would never make it that far. AN straight threads should not have any thread sealant on them, ever.

Thread tape could never interfere with the swivel, as the swivel is on the opposite end of the hose end, closer to the hose, not near the flare. However, you should have no thread tape on anything that isnt a tapered pipe thread anyway, so its a moot point.

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Luciano13

lol you're right!!
I just work with this stuff everyday of my life with high pressured compression fittings and hoses

BAck to Jason fixing his Z for Z-Fest tomorrow

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GaleForce

The line going to the turbo and the sending units is slightly higher but those connections are dry, I'll double check them again though.

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phunk

Do what you want every day, just make sure to stop putting thread tape on straight threads... not only does it make no sense but youre doing it wrong if you need it to create a seal.

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GaleForce

I have some tools and oil packed. I'll keep an eye on the oil pressure gauge and giver.

I remember when I was a kid playing Spy Hunter at the arcade and dreaming of owning a car with the ability to do smoke screens and oil slicks...

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phunk

If you take one of the NPT to flare adapters out of your oil sandwich... take a good look at the angle of the flare. I wonder if you somehow got SAE flare adapter instead of AN flare.

The SAE flare is 45 degrees... so if you lay it on the table on its flare, 180 degrees from where its touching the table would be standing straight up and down.

Hard to describe lol... but its possible since the 3/4-16 thread of a -8AN is also comes in SAE 45 degree flare fittings.

Got a way to measure the flare angle? I am with you that this fitting must be the trouble since you have tried multiple hose ends. Now I am intrigued as to why you have a leak.

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DEpointfive0

So... You're not selling me your car for $1?

But... But... I <3 Mr. Gale!!!

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Spooler

It looks to me like the swivel is not going straight on the fitting causing a sealing issue. Is the line/fitting hitting the block causing it not to seal. I think that is your issue. Never seen an AN fitting have sealing issues unless something was in the way.

The only thing I can think of is route the line a different way or spacer the fitting out away in hopes of getting the fitting to line up better.

Mitco39

Jason,

You probably already have but if not get ahold of Sasha and just see what he did with my car when I brought it to him. He fixed it up for me this spring and it has been bone dry since. I went through this exact same thing all last year and even changed the fittings myself with the same sort of issues you were having.

I wish I could help more!

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GaleForce

I was going to swap the NPT to flare adaptors to see if the problem moves, but I don't want to disturb too much before heading to Z-Fest tomorrow. I will order new fittings for the sandwich plate and compare everything once they arrive. I had no idea the flare was available as SAE 45 degree flare. I'll take photos for everyone to.

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GaleForce

The fitting is clear of any obstruction, and easily threads on to the sandwich plate fitting using my fingers. I make sure it's fully tight with a proper -8 AN wrench. The finished result matches the fitting below it.

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GaleForce

Thanks Mitch. I've replaced all the other fittings without issue, it's just this one. There is something up with it, possibly like Phunk has mentioned. I pulled out the original oil filter relocation plate thinking I could use one of the fittings off of that, well, those were definitely wrong, both fittings threads were stripped when I removed them. Needless to say I didn't try them.

I'll contact Sasha if I still have a problem after changing the sandwich plate fittings. Thanks

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phunk

Ya I have never knowingly encountered a SAE 45 degree flared fitting... but I looked them up really quick yesterday to see if it was possible and found that there are fittings made that look identical to what you have in there only with a 45 degree flare. Perhaps a mix-up at the manufacturing facility packaged your fitting a -8 AN... just randomly speculating here.

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megalapagas

I have this same problem but its my line connecting to the sandwich plate...

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