I recently installed a new ta pressure plate on my ih 606. It started right up and ran great for several days. Multiple starts. Yesterday I went to start it and it will barely turn over and makes a grinding noise. I’ve checked the normal stuff and no luck. New fully charged battery, even hooked it up to two batteries. Removed starter and bench tested and tore down and cleaned starter. Pulled glow plugs to remove compression off engine. When I pulled the glow plugs she did spin a little faster but not much and she still made a grinding noise. Any suggestions on what else to check. Thanks.