Check that the ring gear that is the gear on the drive plate that the starter engages is not damaged, you will have to remove starter and rotate engine by hand to inspect fully.
Apr 20, 2012 at 8:17 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.