Warn rear locking hub wont lock - JeepForum.com
 
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post #1 of 10 Old 04-23-2016, 07:25 PM Thread Starter
jd21476
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Warn rear locking hub wont lock

I have front and rear locking hubs by Warn. My left rear keeps popping and unlocking. I have re locked it a few times but recently decided to swap a front locking hub to the rear to see if that fixed the issue.

It locked up fine but popped within a few miles and now it wont lock at all. These hubs are about 10 years old. Any ideas???

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post #2 of 10 Old 04-24-2016, 09:18 AM
LumpyGrits
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Cj

Warn Hubs are made from soft Zinc based castings.
Look at Mile Marker hubs.
LG

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post #3 of 10 Old 04-24-2016, 09:47 AM
jeepdaddy2000
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First, this isn't an uncommon issue with external locking hubs in the back. The hubs were never designed for the daily abuse that rear axles see. Many folks with these issues shift to an early Warn (lock o matic) style hub if they can find them. The best bet is a set of drive flanges.

That being said, you need to disassemble the hubs and see what is the issue is. Many times the inner drive gear bearing goes out, allowing the gear to wobble around. This can damage the spring, allowing the clutch ring to disengage.

If you keep lockers in the rear but decide to go to a different brand, I would steer away from slectro's and dualomatics.

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post #4 of 10 Old 04-25-2016, 10:44 AM Thread Starter
jd21476
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Id like to go back to more of a stock LSD set up but the cost of parts is preventing me from doing so.
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post #5 of 10 Old 04-25-2016, 09:09 PM
jeepdaddy2000
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The LSD has nothing to do with the floating axles.
if you want to install an LSD, you can and still retain the floaters.
As I stated earlier, if you want trouble free service, find a set of drive flanges and install them. Unless you are towing or feel you are running the risk of breaking the rear diff, you won't need selectable hubs in the rear.
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post #6 of 10 Old 06-20-2016, 12:53 PM
mfheinze
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Having the same problem.

I am having the same problem with mine except I can't get them to lock any more. The drive shaft spines and I can here the left side trying to grab. Works in reverse though. Who makes the drive flanges that I need to convert it back?
Thanks,

1980 CJ7 304
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post #7 of 10 Old 06-20-2016, 10:28 PM
80cj
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If you tow your Jeep and want locking hubs on the rear, I remember seeing some CJ FF kits that use Ford GM style internal splined hubs.
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post #8 of 10 Old 06-23-2016, 09:36 AM
jeepdaddy2000
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Quote:
Who makes the drive flanges that I need to convert it back?
a quick search....
http://hermtheoverdriveguy.com/?page_id=1609
Bottom of page. I'm sure there are other vendors as well.
You will want to get a spline count to confirm compatibility.

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post #9 of 10 Old 06-25-2016, 11:12 AM Thread Starter
jd21476
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So I pulled the rear hubs and they were all chewed up on the inside. I didnt want to go with WARN again but when I took them to 4Wheel Parts to match them with new ones the guy said he would swap them for free on warranty. I couldnt pass that up so I have new WARN rear hubs.

Where do I get these drive flanges and what do they do?
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post #10 of 10 Old 06-25-2016, 01:04 PM
jeepdaddy2000
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Quote:
Where do I get these drive flanges and what do they do?
I gave you a link in my post. I'm sure there are other vendors still carrying them as well. These lock the axle to the hub using a solid piece of steel.

Your only other option is to get an early set of Lock O Matic Warns.
These use drive pins which give substantially more support to the drive hub and clutch ring. You will have to find them used, but in good shape, they are much stronger than the later spring operated units.
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