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Ideas on leaky oil nut.
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Ideas on leaky oil nut. - August 14, 2009, 04:05 PM

I think I screwed up the threads on the internals of the oil pan. Anyone have any ideas how to fix this. There is a drip coming from the oil nut pretty slowly. I think my only option is to rethread the oil pan or buy a new one. Any ideas?
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August 14, 2009, 04:16 PM

cause of the leak is due to over tightening, it looked as if some of the inner thread had torn when the nut was removed
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August 14, 2009, 04:16 PM

i would try to re-thread it if you can. would be cheaper then buying a new one.

or maybe some kind of a sealing tape of some sort. to wrap the bolt in.

but i dont know if that would cause any issues with coming off the bolt.


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August 14, 2009, 04:39 PM

did you install a new crush washer on drain bolt? you can try to helicoil it but chances are it will eventually leak as well. torque spec on those is a lot lower than you think. short term fix ... helicoil .. correct fix .. new pan.


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August 14, 2009, 04:40 PM

only chance is a 1 time shot of using a bigger bolt. The probnlem is if there are metal shavings in the pan itself. Might want to take it to a local shop.


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August 14, 2009, 04:40 PM

take it off and helicoil it.

my .02
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August 14, 2009, 04:59 PM

Quote:
Originally Posted by Bikrsk8r View Post
take it off and helicoil it.

my .02
Approved.
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August 14, 2009, 05:29 PM

When I first read the title of the thread i was like, "Ewww... wtf!?"
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August 14, 2009, 08:38 PM

go to home depot and ask for "pipe dope"
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August 14, 2009, 08:40 PM

Quote:
Originally Posted by Oneway View Post
go to home depot and ask for "pipe dope"
you know all the ghetto fixes for bikes, don't ya?


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August 14, 2009, 08:45 PM

Quote:
Originally Posted by KevinG View Post
you know all the ghetto fixes for bikes, don't ya?
man if it stops leaks on big ass plumbing pipes, it'll work wrapped around the threads of a oil nut.
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August 14, 2009, 10:14 PM

Quote:
Originally Posted by Oneway View Post
man if it stops leaks on big ass plumbing pipes, it'll work wrapped around the threads of a oil nut.

lets see ... take the chance on a ghetto fix for the oil drain from the engine of a motorcycle that if fails while riding will dump said oil right in front of back tire ... most likely resulting in a crash. hmm correct fix seems cheap alternative to me. crash damage + possible bodily damage + possible engine damage ... vs correct fix. simple math to me.


yes i am a dick but also know wtf i am talking about as well.


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August 14, 2009, 10:37 PM

Most drain bolt torque specs are 7-10lbs. I've taken some off that felt like they were 80ft lbs.

Personally, I'd replace the pan. I've had heli coils last for a long time, and I've had them last a short time.


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August 14, 2009, 10:46 PM

talking about the drain bolt? They're cheap, i had to replace mine cause the guy before me stripped it. made out of aluminium so they're very delicate when it comes to tightening it.


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August 15, 2009, 12:15 AM

Depending on the bike, if there's room, you can tap the pan to a bigger drain plug - a good place to look is the drain bolts for cars. Look at the original bolt and measure it to see what the next size up is that you can go. Look at the pan, make sure it will TAKE a bigger bolt if there is room.

For a permanent fix, I don't recommend helicoil at all because the pan is usually too thin and it won't last.

If you do tap the drain hole to a bigger size, make sure you get all the shavings out by dipping the tap in grease so that most of the shavings stick to it as you tap. Also, use a vacuum afterwards to suck up anything that's left.

The perfect way is to just take the pan off, of course. But if not, to help make sure the shavings are flushed out, you can pour cheap/old oil to flush out the engine.
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