1. Remove the gearbox.
2. Disconnect the release bearing spring clips from the clutch release fork and remove the release bearing (see photo).
3. The clutch release fork can be pressed or pulled out of the ball joint. The swivel sleeve is replaced as follows.
4. Drill out the rivets holding the old bushing and remove it.
5. Install a new bushing on the fork and insert its rivets into the holes. Heat the rivets with a gas burner and flatten their heads while they are still hot.
6. Apply a little grease to the bushing and install the clutch release fork. Press it onto the ball joint so that it snaps into place.
7. Replacing the ball joint of the clutch release fork is discussed in the chapter on the gearbox.