Rear hub noise problem on 5050

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   Hi guys. Having trouble identifying a noise that seems to be coming from the final drive on the left real tire. It happens at the exact same tire position on each revolution. With rear end jacked up and turning tire manually it turns freely until we get to that exact spot where it binds up and with moderate force I can turn the wheel about 6 inches to get past that spot to turning freely again.  With both wheels off the ground and both transmissions in neutral the right side does the same, but the noise seems to come from only the left side.  I can't say for certain that this noise is coming from the final drive though.  Anyone have any thoughts as to what might be going on?  Thanks for your time.  

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AC Pete Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 27 Aug 2024 Location: WI Points: 2	Post Options Post Reply Quote AC Pete Report Post Thanks(0) Quote Reply Topic: Rear hub noise problem on 5050 Posted: 27 Aug 2024 at 11:33am
	Hi guys. Having trouble identifying a noise that seems to be coming from the final drive on the left real tire. It happens at the exact same tire position on each revolution. With rear end jacked up and turning tire manually it turns freely until we get to that exact spot where it binds up and with moderate force I can turn the wheel about 6 inches to get past that spot to turning freely again. With both wheels off the ground and both transmissions in neutral the right side does the same, but the noise seems to come from only the left side. I can't say for certain that this noise is coming from the final drive though. Anyone have any thoughts as to what might be going on? Thanks for your time.

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Ray54 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 22 Nov 2009 Location: Paso Robles, Ca Points: 4544	Post Options Post Reply Quote Ray54 Report Post Thanks(0) Quote Reply Posted: 28 Aug 2024 at 11:11am
	Since nobody else wants to stick their head out from under their rock . Sounds like bad things are happening in the final drive. Take it apart and see, or only drive it where it can sit if it fails. Then if things bind up and it stops rolling, you're not going to cause an accident out on the road.

I M Fedup Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 01 Jul 2020 Location: Winchester Ky Points: 28	Post Options Post Reply Quote I M Fedup Report Post Thanks(0) Quote Reply Posted: 28 Aug 2024 at 11:51am
	If it's consistent with wheel/axle rotation it almost has to be something with the bull gear. I'm thinking something like a shard of bearing cage jammed into the valley between two teeth? I would say take it apart before it gets worse. At this point it would mostly involve some time/ effort, a gasket, and some oil.

Gary Burnett Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Virginia Points: 2939	Post Options Post Reply Quote Gary Burnett Report Post Thanks(0) Quote Reply Posted: 29 Aug 2024 at 5:20am
	I'd be looking to see if the brake was dragging at that spot

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 20524	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 29 Aug 2024 at 7:57am
	If one marks the rear tire to the "noise" spot and it is consistently at that spot, it is likely a bull gear tooth. The brake and bull pinion are at a different ratio and would never come up to the same "spot" on the tire time and time again.