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R50 Front Locking Hubs

 
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tbrock



Joined: 14 Oct 2017
Posts: 4

PostPosted: Sat Oct 14, 2017 7:17 pm    Post subject: R50 Front Locking Hubs Reply with quote

Having an issue with my 2002 SE Pathfinder 4x4. Left front hub is making some clicking noises, feels like it is staying engaged. Any body have a part number for the hubs? Can't seem to find one at Rock Auto or outside of Nissan parts group at the dealership. They want over $300 for one side. Any suggestion?
Has anyone gone with manual hubs?

Thanks tried to search but didn't find anything.
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disallow
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Joined: 13 Aug 2008
Posts: 2704
Location: Winnipeg, Canada

PostPosted: Sat Oct 14, 2017 8:46 pm    Post subject: Reply with quote

You sure it's not a split cv boot/worn out cv joint?
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Terry in Winnipeg

'05 Pathfinder SE Premium 4x4 - 315000kms (195000mi) - weekend warrior, Cortex Superchips on 87 Octane Tune, K&N filtercharger, Airlift 1000, Prodigy Brake controller, 7 pin trailer hookup, Prostart Remote Starter, Bilstein 4600 rear shocks, Cooper Discoverer ATw P265/70/16
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tbrock



Joined: 14 Oct 2017
Posts: 4

PostPosted: Sun Oct 15, 2017 6:28 am    Post subject: Reply with quote

disallow wrote:
You sure it's not a split cv boot/worn out cv joint?


Terry,

I wish it was that. It feels like it is not disengaging correctly.
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smj999smj
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Joined: 22 Jan 2012
Posts: 5273
Location: Prospect, VA

PostPosted: Sun Oct 15, 2017 7:04 pm    Post subject: Reply with quote

Unless I'm mistaken, I don't believe the hubs on the R50 do any locking or unlocking like the hubs on the earlier WD21's and the Hardbody trucks. The R50 has just a knuckle with races, tapered wheel bearings, seals, a flange plate, bearing lock nut and a snap ring. There is no spring, brake plate nor clutch. If you have a noise in a hub, I would suspect a bad wheel bearing. I would think the 4x4 system works similar to that of the R51 Pathfinder where the front driveshaft turns any time the front wheels turn and the drive engagement takes place inside the transfer case. That would make sense in that you can find a hub assembly on Rockauto; what you are likely looking at on the Nissan site is probably just the flange plate.
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tbrock



Joined: 14 Oct 2017
Posts: 4

PostPosted: Mon Oct 16, 2017 7:43 pm    Post subject: Reply with quote

smj999smj wrote:
Unless I'm mistaken, I don't believe the hubs on the R50 do any locking or unlocking like the hubs on the earlier WD21's and the Hardbody trucks. The R50 has just a knuckle with races, tapered wheel bearings, seals, a flange plate, bearing lock nut and a snap ring. There is no spring, brake plate nor clutch. If you have a noise in a hub, I would suspect a bad wheel bearing. I would think the 4x4 system works similar to that of the R51 Pathfinder where the front driveshaft turns any time the front wheels turn and the drive engagement takes place inside the transfer case. That would make sense in that you can find a hub assembly on Rockauto; what you are likely looking at on the Nissan site is probably just the flange plate.



Thanks for the education on the hubs.
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tbrock



Joined: 14 Oct 2017
Posts: 4

PostPosted: Wed Nov 08, 2017 5:02 pm    Post subject: Reply with quote

so figured part of it out. The front drive shaft needed u joints so we replaced those and it solved part of the problem but there still is a little vibration. I also replaced the right side front axle CV because the boot was cracked.
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fleurys



Joined: 12 May 2009
Posts: 281
Location: Ste-Catherine, QC

PostPosted: Fri Nov 10, 2017 5:58 am    Post subject: Reply with quote

Vibrations are a pain to diagnose, but here's what I do....

to minimize the time of diagnostic, remove both of your cvs and the front drive shaft.

road test. Right away you will know if the issue is with your wheel/tires. From there, re-install your front drive shaft.

road test.

if still no vibration, re-install your cv one at a time with a road test in between...

you'll find it this way.

S.
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