Need advice -- oil galley plug, What to seal with? |
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Need advice -- oil galley plug, What to seal with? |
BillC |
Jan 28 2024, 11:12 AM
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#1
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Senior Member Group: Members Posts: 546 Joined: 24-April 15 From: Silver Spring, MD Member No.: 18,667 Region Association: MidAtlantic Region |
I think I found the oil leak on the bottom of my engine. When they rebuilt it, they installed screw-in oil galley plugs. This one, on the front of the engine, appears to be the leak -- it was a little loose and there was oil all over the back of the motor mount bracket.
The plug is 22mm with 1.5mm thread, straight thread (no taper), and is fairly short. It looks like they might have used a very small amount of gasket shellac to seal it originally. They did stake the plug, and it didn't rotate, but it unscrewed very easily and turned-in just a little past the stake when I tried putting it back in. What should I use to seal this plug? I'm guessing pipe dope isn't the right stuff, since the plug isn't tapered. More gasket shellac? Red loctite? Something else? Thanks! |
Geezer914 |
Jan 28 2024, 02:08 PM
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#2
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Geezer914 Group: Members Posts: 1,441 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States |
I used aluminum pipe plugs with ARP thread sealant, no leaks.
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BillC |
Jan 28 2024, 02:14 PM
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#3
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Senior Member Group: Members Posts: 546 Joined: 24-April 15 From: Silver Spring, MD Member No.: 18,667 Region Association: MidAtlantic Region |
I used aluminum pipe plugs with ARP thread sealant, no leaks. @Geezer914 What size aluminum plugs did you use, and where did you get them? I've been googling, and found only one place that listed M22x1.5 aluminum plugs, but they were out of stock. Apparently used by some Fiats. I'm thinking about trying to make an aluminum plug, but not sure how to drive it. Don't have the tools to cut an internal hex hole. |
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