How to remove seized oil galley plugs? - Team Camaro Tech
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post #1 of 20 (permalink) Old Jan 4th, 17, 05:57 AM Thread Starter
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How to remove seized oil galley plugs?

Helo,

I have a problem with the three small threaded oil galley plug at the end of the block.
I already broke all my 1/4" drive square sockets.
Tried to heat up, shock, chill. Does not move.
Please help. Thank You.
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post #2 of 20 (permalink) Old Jan 4th, 17, 06:01 AM
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Re: How to remove seized oil galley plugs?

If you already tried heat and PB Blaster etc., you might be at the point where you need to carefully drill and collapse the threads.

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post #3 of 20 (permalink) Old Jan 4th, 17, 06:04 AM Thread Starter
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by HawkX66 View Post
If you already tried heat and PB Blaster etc., you might be at the point where you need to carefully drill and collapse the threads.
That was afraid of doing.
Any other option?

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post #4 of 20 (permalink) Old Jan 4th, 17, 06:36 AM
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by HawkX66 View Post
If you already tried heat and PB Blaster etc., you might be at the point where you need to carefully drill and collapse the threads.
Agree with Hawk, once you have started this, you have to finish and run a tap to clean out hole as well as the little passages drilled at an angle. I had one like you said, square hole, I drilled it out and collasped the threads. The drilled out hole may be large enough to set an easy-out. Don't break that as its harder than anything you are working with. Don't go back with square plugs, I always good allen head with a teflon sealer. Patience.

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post #5 of 20 (permalink) Old Jan 4th, 17, 06:48 AM
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Re: How to remove seized oil galley plugs?

Did you use acetylene to heat them up ?? Have to be careful though.

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post #6 of 20 (permalink) Old Jan 4th, 17, 06:57 AM Thread Starter
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Re: How to remove seized oil galley plugs?

Quote:
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Did you use acetylene to heat them up ?? Have to be careful though.
I used MAPP gas i it around 3500 F flame temerature
Don't have Acetylen around.

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post #7 of 20 (permalink) Old Jan 4th, 17, 06:58 AM
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Re: How to remove seized oil galley plugs?

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Originally Posted by almano View Post
I used MAPP gas i it around 3500 F flame temerature
Don't have Acetylen around.
Pencil point blue flame?

Don
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post #8 of 20 (permalink) Old Jan 4th, 17, 07:00 AM
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by almano View Post
I used MAPP gas i it around 3500 F flame temerature
Don't have Acetylen around.
There is your answer. Not hot enough.

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post #9 of 20 (permalink) Old Jan 4th, 17, 08:12 AM Thread Starter
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by DT View Post
There is your answer. Not hot enough.
I afraid to heat more around the cam bearing journal.

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post #10 of 20 (permalink) Old Jan 4th, 17, 08:17 AM
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by almano View Post
I afraid to heat more around the cam bearing journal.
Why? Bearing is out, cam plug is out, ?? Drill it out until you can get a square easy out into hole, threads will collaspe,
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post #11 of 20 (permalink) Old Jan 4th, 17, 08:25 AM
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Re: How to remove seized oil galley plugs?

Never had to drill one out in 45 yrs+. I always use a acetaline torch and only heat the inside of the plug, till it starts to smoke real good, then quickly whack it with a punch in center and use a good quality 1/4' adapter on a 3/8 ratchet extension, sometimes you have to do it twice. you can also use a square easy out installed backward into plug after heating and a big crescent wrench.

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post #12 of 20 (permalink) Old Jan 4th, 17, 08:37 AM
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Re: How to remove seized oil galley plugs?

Galley plugs are soft a drill very easy. I'd would center punch and drill out. Then a high quality EZ out followed with a thread chaser.
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post #13 of 20 (permalink) Old Jan 4th, 17, 11:32 AM
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Re: How to remove seized oil galley plugs?

Quote:
Originally Posted by zdld17 View Post
Why? Bearing is out, cam plug is out, ?? Drill it out until you can get a square easy out into hole, threads will collaspe,
Years ago, when I was working at a machine shop, I fabricated and then hardened a tapered tool out of a small block head bolt to fit the square holes in those plugs. I used to heat the plugs until they were smoking hot with an acetylene torch then hammer my special head bolt tool into the hole and zip the plug out with an air impact.

Commercial ez-outs break so easily that I'd never use one unless I had remove a broken bolt from a wooden 2x4.

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post #14 of 20 (permalink) Old Jan 4th, 17, 11:55 AM
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Re: How to remove seized oil galley plugs?

If it were me, I'd place a nut over the top of the plug and load it up with mig wire, let it cool of a bit and undo with the appropriate size socket.

Done it many times
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post #15 of 20 (permalink) Old Jan 4th, 17, 01:18 PM Thread Starter
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Re: How to remove seized oil galley plugs?

I just did it!

I ground a 1/2" drive 10mm allen socket to a 1/4" square. warmed up with the MAPP and hit with 1/2" airgun. It came out.
Thanks guys to helping me out with ideas!

Should I remove the two big *** 3/4" square socket plug from the other side of the block? Looks like those are for the water jacket.
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