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Odiesdad
Oil galley plugs


What size square drive socket do I need to remove the oil galley plugs on my 276 Desoto?
3/8" is a little too big for one and 1/4"is way too small for the other. Maybe 5/16"? These are the square drive female plugs that are solidly adhered to the threads by the rear cam bearing.
I tried heating the plug and quenching with penetrating oil, but I still don't have a tool that will fit into the socket. I am saving the drill and easy out as a last resort.
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on: Thu 28 of Sep, 2017 [16:49 UTC] reads: 4436

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George
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Re: Oil galley plugs
on: Thu 31 of May, 2018 [13:53 UTC] score: 0.00
Dorman makes a replacement that takes an Allen wrench/socket if you don't want to put that one back in.

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jaishadow
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Re: Oil galley plugs
on: Sat 19 of May, 2018 [16:56 UTC] score: 0.00
> What size square drive socket do I need to remove the oil galley plugs on my 276 Desoto?
> 3/8" is a little too big for one and 1/4"is way too small for the other. Maybe 5/16"? These are the square drive female plugs that are solidly adhered to the threads by the rear cam bearing.
> I tried heating the plug and quenching with penetrating oil, but I still don't have a tool that will fit into the socket. I am saving the drill and easy out as a last resort.

The answer is in your question. Most square drive easy-outs are 5/16 square drive and hardened. Put one in the oil plug backwards and use a wrench to turn it out.

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DaveBlakeman
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Re: Oil galley plugs
on: Thu 28 of Sep, 2017 [17:45 UTC] score: 0.00
Get a piece of square stock to fit right in the hole. Much better than drilling it out.

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Odiesdad
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Re: Re: Oil galley plugs
on: Fri 29 of Sep, 2017 [00:38 UTC] score: 0.00
> Get a piece of square stock to fit right in the hole. Much better than drilling it out.



A piece of 5/16 square stock fits a little loose on one and tight in the others.
I got the two outer plugs out and am working on the inner one. Nasty thing to get to.

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George
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Re: Re: Re: Oil galley plugs
on: Fri 29 of Sep, 2017 [15:51 UTC] score: 0.00

I ground down an extension to fit.


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