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| Stripped oil pan drain bolt http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=82153 |
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| Author: | diesel_guy86 [ Sun May 17, 2015 8:33 pm ] |
| Post subject: | Stripped oil pan drain bolt |
It's coming up to my next service. at the last couple oil changes I've been noticing my oil pan drain bolt slipping right when you go to snug it down. It'll thread in fine, but when you want to get it tight so it'll seal, it slips. And sure enough Im getting little spots of oil on the concrete after it sits overnight. Had to add half a quart at around 3,000 miles. So whatever I do, Im going to end up with a fumoto valve in it. Do I heli coil it, or drill tap it bigger? My plan was to drill and tap, aluminum doesn't chip or turn to powder like cast steel does, so I wouldn't really be worried about it. If I go this route I'll need to know what size to go to, as I don't know what size the factory bolt is. I want to do it at the next oil change so I'm down the least amount of time. |
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| Author: | rankom [ Sun May 17, 2015 8:56 pm ] |
| Post subject: | Re: Stripped oil pan drain bolt |
ok no problem , don't drill it just get tap m18x 1.5 mm tap will turn easily , i install femco drain plug 10 - 18150-06 got it from big truck dealer (freight liner) |
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| Author: | diesel_guy86 [ Sun May 17, 2015 9:49 pm ] |
| Post subject: | Re: Stripped oil pan drain bolt |
Thanks, I looked it up on fumoto's website and the m18x1.5 is f-104, I got the version with a nipple to make things less messy. |
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| Author: | XJ&KJSports [ Mon May 18, 2015 8:29 am ] |
| Post subject: | Re: Stripped oil pan drain bolt |
That's what I had to do to mine. Just had to take it really slow tapping the aluminum. Five years later and the pan is still dry underneath. Good luck with yours. Sent while mobile, but not while behind the wheel. |
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| Author: | geordi [ Mon May 18, 2015 1:35 pm ] |
| Post subject: | Re: Stripped oil pan drain bolt |
An alternative is to search my posts for a "spark plug repair kit" and use the solid collar repair that I did. Worked great. Edit: Here ya go: http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=66245&p=728122#p728122 And for pictures of what the threaded collar looks like (it is the part with the little diamond-shaped threads): http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?p=800194#p800194 |
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| Author: | pjigar [ Tue May 19, 2015 10:12 am ] |
| Post subject: | Re: Stripped oil pan drain bolt |
Mine was partially stripped. I just coated Fumoto threads with ultra gray permatex. hand tightened, wait 30 minutes for gasket to form and torque it to spec. I just did that a week ago. No leak so far. I will keep any eye for leaks. I figured if it leaks again then I will re-thread or helicoil. |
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