I use oak dowels apposed to pine.
Hinge dowel hole cracks door.
Spread carpenter s glue onto a 3 8 inch diameter x 1 inch long wood dowel and tap it into the hole until it s flush with the jamb.
If the attachment plate needs to be closer or farther from the edge of the door plug the existing screw holes with short pieces of wooden toothpicks and wood glue then redrill in the right.
Repair broken door hinges that hang loosely off the door by replacing the hinge pin or filling the stripped screw holes and reattaching the hinges to the door.
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Bore out and plug each of the remaining stripped screw holes the same way.
Wait at least an hour.
If the screw holes seem stripped out or the screws don t fit tight enough when you screw the hinges back onto the door inject some glue into the holes.
Since you say that the wood under the hinge and around the hinge screw holes has split and gone soft it pays to check the wood of the door jamb adjacent to the hinge mount location as well.
This method puts the top of the dowel flush with the surface of the hinge mortise.
Pound some small dowels into the holes.
Finish by securing the hinge by driving screws into the dowel reinforced holes.
Then reposition the hinge leaf and bore 1 8 inch diameter pilot holes.
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If the wood there is not sound then you are likely looking forward to some more serious repair such as replacement of the jamb side board or the whole jamb.
The wrong way is a temporary fix not cool.