Home Improvement

Other people have better ideas, but a very small dab of blue Loctite (the one that isn't permanent) on the bottom knuckle would keep it in place but probably be removable with a hammer and pin.

I'm not a carpenter, but as a mechanic, if the hinge pin is doing that AND the deadbolt has a problem, I would expect a third problem. Maybe the door frame isn't square, or since it is the bottom hinge pin, maybe a threshold issue. The pin shouldn't be migrating, and if it did, the deadbolt shouldn't care. There should be three hinges on an entry door. Is the door warped?

Take some large grit sandpaper and give the pin a few twists to rough it up and create horizontal groves.

You might need to pry the cylinder the pin goes in in the opposite direction of where it's trying to trend. E.g., if the two pieces' cylinders don't want to line up, you probably need to pry them over so that when the pin is in, they sit flush. This might be counter-intuitive. You might think you need to pry them together, but that will cause them to sit farther apart when the pin is in. Pry them away from each other, just a couple mm, so when the pin is in, they are closer.

Also check your pin for damage.

Do the hinges actually line up correctly? If one of them is crooked, on the door or jamb, that could probably cause the pin to work it's way out.

Superglue.

Just to make sure I'm on the same page...the pin that connects the two hinge plates is coming out on its own?

You can try taking the pin out and lightly hammering the middle knuckle so it's pinches the pin more. Alternatively, hammer a slight bend in the pin.

They also make pins that go through the hinges and screw on

Use a thicker pin? Replace the hinges?

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