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Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
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Leaking at hard oil line fitting?
I know I probably need a new one but would like to get this back together now - any preventative measures to stop leaking once I fasten? I’m pretty sure Teflon is out, anything similar?
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Tony 22 GT4 04 E46 M3 87 Carrera (sold - craving aircooled again) 12 991 Carrera (sold) |
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09-28-2019, 05:49 PM
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Reiver
Join Date: Nov 2011
Posts: 57,477
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https://www.bing.com/images/search?view=detailV2&ccid=%2bPqC3sIf&id=11FDE480960314A6A812F2246FD3BCA6E95A7424&thid=OIP.-PqC3sIf085mkbRbE7NElQHaHa&mediaurl=https%3a%2f%2fwww.enginepartsaustralia.co m.au%2fimages%2f3058%2ffuel-oil-resistant-thread-sealant-great-for-fuel-systems-Image-1.jpg&exph=800&expw=800&q=oil+and+fuel+resistant+sealer&simid=607988233735177193&selectedIndex=0&ajaxhist=0
This should do it unless it is leaking elsewhere than the threads....just put the locktite sealant on the bottom of the threads not near the top so that any xtra does not go anywhere you wouldn't want it too.
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De Oppresso Liber Strength and Honor 5th Legion Last edited by Reiver; 09-28-2019 at 06:18 PM.. |
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09-28-2019, 06:16 PM
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Registered
Join Date: Mar 2010
Location: Socal
Posts: 2,386
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The seal is on the flare , not the threads .
Make sure it’s perfectly clean and no scratches on either of the sealing surfaces . You must a;so make sure the threads are clean so you can tighten all the way down . |
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09-28-2019, 06:41 PM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,151
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 Very seldom it's the "Ball & Cone" leaking. More likely than not it is the crimped Hose that is leaking. These Copper Rings or Seals are available if needed.....  Clean the mating surfaces and tighten "snugly plus a little". Do not over tighten as it will distort the mating surface. A bit of "anti-seize" compound on the threads is a good idea with these fittings, especially at the Thermostat. Len
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09-28-2019, 08:40 PM
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Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
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Thanks guys
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Tony 22 GT4 04 E46 M3 87 Carrera (sold - craving aircooled again) 12 991 Carrera (sold) |
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09-29-2019, 04:23 AM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,151
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To clarify, the threads do not make the seal, it's the "Ball & Cone" surface as described above, with the "Ball" being the Hose end and the "Cone" being the Male Hardline fitting as shown in OP photo. I Re-Make these Hose assemblies on a regular basis. Cost is much less than a replacement, as the actual Hose and Crimps required are usually much less than a new assembly. Also, a word of caution...local hydraulic shops do not have the correct crimp sleeves OR proper Crimps (too long) to do this correctly, as per these examples....    The Hose becomes crushed at the bump in the fitting meant to retain the hose and fails prematurely. Len.Cummings at verizon.net
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09-29-2019, 04:47 AM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,151
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Maxhouse97- So Tony, what did you do to repair this leak? Len
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11-11-2019, 10:57 AM
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