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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through December 14, 2010 » Oil Cooler leak?? « Previous Next »

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Wolfridgerider
Posted on Monday, November 22, 2010 - 09:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So the Uly has been weeping oil down the left side around the oil cooler.
I thought it was one of the lines.
I took it apart yesterday and cleaned everything.
Re-installed the lines with everyones favorite, teflon tape.
Took it for about a 30 mile ride and it was still leaking.
I wiped it clean last night and rode it to work today.
As soon as I got into the parking lot I check for the leak again.
Both lines are dry but the oil cooler has oil on the bottom of it.

Do you think I caught a rock or something in the cooler?
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Uly_man
Posted on Monday, November 22, 2010 - 04:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You might have. Take off the cooler and have it pressure tested at a shop. If the core is leaking it can be re-cored or buy a new one. Do not try and use any type of internal sealer as it can damage the engine.

You should not need to use tape on the unions and its best not to anyway.
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Ratbuell
Posted on Monday, November 22, 2010 - 09:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

DO NOT use teflon tape on -AN fittings. The threads don't seal, the taper on the end does.

Don't overtorque the fittings, either. DAMHIK, but they have a very specific torque spec because you can actually twist the male fitting where it joins the cooler itself, causing more(different) leaks.

Pull the fittings off, clean them REAL GOOD, check for burrs on the tapered ends, and reassemble with the proper spec torque. Assemble DRY. I think my current cooler has maybe 1/8 turn beyond spec for good measure, and it's staying dry.
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Wolfridgerider
Posted on Monday, November 22, 2010 - 09:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

its the cooler.

Checked it when I got home from work and the lines were dry but the bottom of the cooler has oil on it..... bummer
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Paul56
Posted on Tuesday, November 23, 2010 - 12:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The cooler on my 06 leaked at around 35k miles IIRC. Did the same diagnosis steps- it was definitely the cooler core. Had a small split somewhere. Cost around $125 then.
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Wolfridgerider
Posted on Tuesday, November 23, 2010 - 07:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Cool... I was wondering how much it was gonna cost me to fix
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Xbimmer
Posted on Tuesday, November 23, 2010 - 10:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One of the things replaced on my '06 under warranty, bad core.
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Wolfridgerider
Posted on Tuesday, November 23, 2010 - 10:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I put this stuff on Fleebay
I need to pay for the Oil cooler, headlight and a set of Hepco luggage racks I ordered before everything started going bad...





http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=220700769830&ssPageName=STRK:MESELX:IT

if ya know anyone that would want it... pass the word please

Thanks!
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Uly_dude
Posted on Tuesday, November 23, 2010 - 10:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

sent you a PM Wolf man.
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