WARNING: This page is about a different car, the 1995 Jeep Wrangler, 1995 Jeep Grand Cherokee, and 1995 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Manufacturer recommends replacement of starter assembly rather than overhaul. See Fig 1
and Fig 2
for exploded views of starters.
Fig 1: Exploded View Of Mitsubishi Starter (Typical)