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Old 10-10-2020, 09:16 AM   #21
marko39
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Or you can use a thin fiber washer one that is very tight to the plug. This will compress more when tightened and use a metal washer between.
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Old 10-10-2020, 09:17 AM   #22
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

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Originally Posted by Jeff/Illinois View Post
I think after taking off that pan, if it was me, I'd get it brazed.

I'm not a big fan of JB Weld never had very good luck with that stuff.
I wouldn't even remove the pan. Just drain and clean it up good before applying the JB Weld. Although I've never had to use it on an oil pan I have patched gas tanks, radiators and a whole lot of other things with great success. I've been a big fan of JB Weld for years.
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Old 10-10-2020, 10:53 AM   #23
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

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I wouldn't even remove the pan. Just drain and clean it up good before applying the JB Weld. Although I've never had to use it on an oil pan I have patched gas tanks, radiators and a whole lot of other things with great success. I've been a big fan of JB Weld for years.

The problem with using anything on the outside is the oil that is still in the leak--you can't get the outside area oil free so nothing will stick. It would take years of sitting with an empty oil pan with the plug out for all the oil to seep down. I suppose one could let it sit over winter and then use heat to burn any residue away. But.........like I said, with what little it drips, it is way down on my project list.
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Old 10-10-2020, 12:12 PM   #24
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

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Thanks guys, I will take a closer look next time and will use some Permatex. So no comments on what washer to use? Anything one is as good as the other?
Go back and read my last sentence at the end of post number 7.
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Old 10-10-2020, 10:43 PM   #25
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Once on a family trip we stopped at a jiffy lube for an oil change. 200 miles later we stopped for lunch and drip drip drip. Bad. It was easy to see they put NO gasket at all on the plug. I asked my wife for some dental floss, put a blob of non hardening permatex between my thumb and finger and stranded the floss through it. Undid the plug half way at the rest area and wound about ten turns of permatex floss and tightened it back up. Wiped the pan clean. Arrived on the East coast 3000 miles later and the pan was just clean black paint. It could not have made a better seal.
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Old 10-11-2020, 02:20 AM   #26
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

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Holy poop. Use a crush ring as designed or some felt/plastic ring. Leave the jd weld and permex in the top shelf of the toolbox. As Bruce used to say flatheads leaked, to oil the chassis.
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Old 10-11-2020, 04:50 PM   #27
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

leather makes a good washer
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Old 10-11-2020, 11:06 PM   #28
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

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leather makes a good washer
Couldn't agree more. What an amazing material. Oil seals, accelerator pumps. I used it for a rod bearing 20 years ago for a one lung engine on a Bean spray pump.
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Old 11-04-2020, 06:29 PM   #29
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Changed the oil the other day, used a fiber gasket and a little non hardening permatex, no more oil leak from the drain plug, thanks for the suggestions.
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Old 11-04-2020, 06:47 PM   #30
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Thats all I do ^ just make my own gasket cut from thick gasket material, non hardening= no probs.. Just leaks from everywhere else...
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Old 11-04-2020, 07:46 PM   #31
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Try a piece of leather with non-hardening Permatex applied on both sides.
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Old 11-05-2020, 08:08 PM   #32
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Lot of good ideas here. it's very common issue, no matter what the actual cause is. If is actually leaking from drain plug, do as was suggested and use Permatex #2 non hardening sealer. see page 175 of Vern Tardel's book, "How to Build Ford Flathead Engines" When it comes from Vern, that's the proven answer. I used #2 when I built the engine and on the first oil change I waited a long tine for the dripping to stop, wiped the plug and pan thread with prep sol, and coated the plug and pan threads with #2 again. No leak.
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Old 11-06-2020, 08:21 PM   #33
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

Another suggestion is a nylon flat washer
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Old 11-06-2020, 10:24 PM   #34
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Default Re: 36 Can't Stop The Oil Pan Drain Plug Drip

You can buy rolled gasket material from autozone or napa fairly cheap. Packs including cork.
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