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Old 03-04-2012, 05:39 PM
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Default Oil Galley Plug Fix - 40-55 Series

Has everyone done this fix? I just realized my engine still has the aluminum plug. Looks like a new project for this summer. Terry

http://forum.ih8mud.com/60-series-wa...-plug-fix.html
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Old 03-04-2012, 06:46 PM
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If you can source a right angle drill, it makes a lot easier, or if the motor is out of the truck then its really easy.
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Old 03-04-2012, 09:13 PM
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Had it done when I was getting the head rebuilt.
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Old 03-05-2012, 12:11 AM
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If the head has not been rebuilt and its not leaking you are probably fine. But if you do it, its easy. When I got to it was just after a rebuild and the plug popped out in the garage (fortunately). But pre-forum it was not so easy to figure out.

"8MM tap. When I did mine I coated the threads in JB weld."

http://www.risingsun4x4club.org/foru...highlight=weld
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Old 03-05-2012, 09:41 AM
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I've seen another temporary disaster avoidance measure that incorporated a small metal bit held over the plug with a nearby bolt hole. May be an option if you don't want to drill and tap.

the shop that did my head did mine when I did the headgasket on the 40. It was out, and easy as well as cheap. I think hey charged me like 10 bucks.
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Old 03-05-2012, 10:03 AM
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Maybe we should get a right angle drill for our club tool trailer......oh wait, we don't have one.
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Old 03-05-2012, 10:12 AM
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my .02 is to get it done when you have the head off. While some have failed randomly they mostly fail after they have been hot tanked compromising the pot metal filler. A good machine shop should know to do it without asking. Otherwise I'd be inclined to leave it.
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Old 03-05-2012, 11:08 AM
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I was able to get a 18v Dewalt drill in my 1980 FJ w/o issue, and the old plug came out easily with the drill - it started spinning during the drilling. I then drilled and tapped it for a 1/4-20 hex screw. Fired up the engine to let the oil flow blow out the shavings, then cleaned the threaded hole with a Q-tip covered with brake cleaner (x5) and then slobbered JB weld all over the hex screw and screwed it in.

Fast, no leaks, and permanent. The alum plug in my head was really lame - it looked like chewing gum foil - not stout in any way. My 2F ran really strong and I sure didn't want this to be its demise.
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Old 03-05-2012, 02:38 PM
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Quote:
Originally Posted by SteveH View Post
I... I then drilled and tapped it for a 1/4-20 hex screw. Fired up the engine to let the oil flow blow out the shavings, then cleaned the threaded hole with a Q-tip covered with brake cleaner (x5) and then slobbered JB weld all over the hex screw and screwed it in.
Precisely.

I have a right-angle adapter good for any drill. Bits just have to have the "speedy change" type of hex end.
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