Are oil plugs self sealing??

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Oct 18, 2011 | 07:11 PM

cruzmisl

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Road Master

Joined: Jun 2010

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Are oil plugs self sealing??

I got two chrome oil plugs (the ones on the filter mount) from Diamond Engineering. I don't want to take the old ones out without knowing if I need a replacement o-ring or some type of sealant. Anyone have any ideas?
Thanks,
Joe

Oct 18, 2011 | 07:33 PM

harleycharlie1992

Unofficial HDF Chaplain

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From: san diego

they are pipe thread, would use some thread sealing compound, (just a little!) and run them in until pretty snug, no big deal

Oct 18, 2011 | 07:39 PM

2black1s

Elite HDF Member

Joined: Nov 2010

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From: Simi Valley, CA

Quote:

Originally Posted by harleycharlie1992

they are pipe thread, would use some thread sealing compound, (just a little!) and run them in until pretty snug, no big deal

Ditto. Or use some teflon tape.

A caution when using tape - start the tape a thread or two from the end of the plug to ensure none of it can find its way into the system.

Oct 18, 2011 | 07:52 PM

drukanfu

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From: N.E. Wisconsin

They have a "pipe" thread which basically means the plug is tapered, so it gets tighter the harder you turn the deeper and tighter it gets. Don't over tighten, get a small tube or can of pipe thread sealer and tighten firmly. They don't have torque ratings.

Last edited by drukanfu; Oct 18, 2011 at 08:27 PM.

Oct 18, 2011 | 07:59 PM