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Thread: Notchy rear diff...

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Old 03-03-2019, 08:49 AM   #1
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Default Notchy rear diff...

I'm building my bomber kit and the rear diff is really tight. The problem seems to be that the axle on the ring gear side is pushing the ring gear into the pinion too hard. When I remove the rear lockout on the ring gear side everything spins smooth. As far as I can tell all the bearings are seated properly. Any suggestions?
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Old 03-03-2019, 09:14 AM   #2
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Default Re: Notchy rear diff...

Did you shim the pinion

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Old 03-03-2019, 09:56 AM   #3
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Default Re: Notchy rear diff...

With the axle assembled. Chuck the pinion in a drill. Run it forward and reverse to break-in the gear mesh.

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Old 03-05-2019, 06:28 PM   #4
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Default Re: Notchy rear diff...

My first bet would be on the inner pinion bearing not being properly seated all the way into it's pocket, (can sometimes be a little plastic flash in the pocket)
pushes the pinion in a little too deep & makes the gear mesh too tight.
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