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Discussion Starter #1
To keep this from being too lengthly, I'll be brief with my sentences. 2004 New Holland TC29D. Turn key, starter "clicks". After several attemps, starts and runs fine. Park tractor (important info, running fine) remove starter, have checked out, install starter, won't engage flywheel. Remove starter, make sure not installed incorrectly, install again, not engage flywheel. Take starter back to rebuilder, re-checks, install again, same problem. Turn flywheel with screwdriver, fan turns. No teeth missing, flywheel intact. Order new (or re-built) starter, install, same problem. Added Ford solenoid per rebuilder's direction, (boost existing solenoid) same problem. Charged battery, cleaned battery clamps, hooked up battery booster (in case low voltage) same problem. I can hear the starter "whirring" but it won't engage the wheel. I've cleaned around where the starter seats and it bolts up fine. I've cleaned the ground bolt at the frame. I've "jumpered" the solenoid to the starter to bypass other wiring, no help. One thing I haven't done is change the battery cable connectors. They are factory crimped. Can anyone give me something else to look at? I could have two bad starters but that would be very odd. Engine was running fine so internal problem would also be odd. Thanks, B
 

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Discussion Starter #2
Found out what the problem was. I installed and removed the starter more than 15 times during this problem (Remember I had two starters). I noticed the bolt holes in the starter were oblong, but since the shoulder on the starter acts as a guide, I didn't think too much about the holes. I decided to insert one bolt at a time and try the starter. (Actually a bolt is used on the upper hole and the lower hole goes on a bolt stud.)When I tightened the starter with only the upper bolt, same problem. However, when I tightened the starter using only the nut on the stud, the starter did engage the flywheel. Then I inserted the bolt and everything works fine. The tolerances must be very precise since I could not hit the correct mark during the many installations. I hope this helps someone else. B
 
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