904 Transmission Stopped Going Into Gear

When I had high/tight spots on a bushing I would rub the shiny spots with a smooth steel shaft like a chrome screwdriver shaft to flatten them down.
Sanding soft metals like bushings can leave rocks imbedded in the material.

You might be able to put the drum on the hub and tap with your mallet all around the edges of the drum to get it to smooth the bushing down.

Is it just the picture or is that bushing kind of trashed on the edges?

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Good point, I might give the rubbing/tapping methods a try.

The edges are a but rough because my bushing driver always shifts a little bit when I drive a bushing and makes a little ridge on one side. Once its driven in I go back and "shave" off any ridges with a razor. I realize that that is not optimal and probably contributed to my tight bushing. It is what it is.