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-   -   Rear locker won't unlock!! (https://www.jk-forum.com/forums/modified-jk-tech-2/rear-locker-wont-unlock-343190/)

madman72 08-01-2017 06:22 PM

Rear locker won't unlock!!
 
Went wheeling this weekend used the rear locker and when I was done it didn't disengage. I used a screwdriver to unlock it. The lock plate moved over to the right but it still felt locked. Got home and jacked it up and spun the rear wheels and the both turn the same way. That means it's still locked right? I have the rear cover off but can't see anything wrong. Any ideas

zstairlessone 08-01-2017 06:28 PM

If it's on a lift and in gear (6-speed) or park with the emergency brake off you shouldn't be able to spin the tires if it is locked. If it is unlocked they will spin opposite (spin one and the other will rotate opposite direction) at the same speed.

madman72 08-01-2017 06:45 PM

I have the rear jacked up on stands and the transmission in neutral. It's an automatic. I spin them and they spin the same direction. What could be keeping the axle locked

JKZinger 08-01-2017 07:23 PM

Your rear Rubi locker is toast. Mine gave up like that years ago. Put in an ARB and never looked back.

madman72 08-01-2017 09:39 PM

Damn that's not what I wanted to hear, but I do appreciate it. I'm 200 miles from home too.

jadmt 08-02-2017 05:11 AM


Originally Posted by madman72 (Post 4299945)
Damn that's not what I wanted to hear, but I do appreciate it. I'm 200 miles from home too.

just take it easy on corners and you should be fine. better rear than front. I have had mine not disengage and then after a few miles start working again and never giving me another problem. I know it makes 0 sense and logically I know it could not make a difference but once I switched to royal purple gear oil I never had a problem again.

JKZinger 08-02-2017 05:41 AM

I drove mine home on the freeway for 150 miles. Didn't have any issues.

Monte417 08-02-2017 07:10 AM

Your magnetic actuator thingy is probably toast. You can replace part now I believe. It involves removing the carrier bearing on that side though. I'll try and finds. A link to the part number

Monte417 08-02-2017 07:24 AM

This is the part that needs to be replaced. They just starting selling this part not long ago. Beats buying a whole new locker assembly. Google the part number and find the best price http://www.rpmextreme.com/Product/21...y-2005193.aspx

madman72 08-02-2017 04:01 PM

Thanks jadmt and JKZinger I'll be less nervous driving it home tomorrow. Thanks for the info and the link Monte417. That might be the quickest fix. I'll see What the shop says. Thanks again guys

MacRubi2 08-02-2017 05:19 PM


Originally Posted by Monte417 (Post 4299981)
Your magnetic actuator thingy is probably toast. You can replace part now I believe. It involves removing the carrier bearing on that side though. I'll try and finds. A link to the part number

Just a thought...

Why would this problem be his magnetic actuator if he can slide the ring over but the axle is still locked

If his magnetic actuator is toast wouldn't that cause a non-lock situation not a unlock one.

What else would keep it locked if you can still push the locking ring over

resharp001 08-03-2017 05:48 AM


Originally Posted by Monte417 (Post 4299984)
This is the part that needs to be replaced. They just starting selling this part not long ago. Beats buying a whole new locker assembly. Google the part number and find the best price RpmExtreme Jeep Rubicon D44 E Locker Magnet Assembly 2005193 :: RPM Extreme

That's very interesting.....hadn't seen you can now buy that part and replace. Thanks!

Ocotillo Boy 04-08-2019 10:01 PM

My 2012 JK Rubicon is locked up in the rear. Can't get it to unlock to save my life!

resharp001 04-09-2019 12:56 AM


Originally Posted by Ocotillo Boy (Post 4339643)
My 2012 JK Rubicon is locked up in the rear. Can't get it to unlock to save my life!

If sliding the actuator ring over through the fill hole isn't working, you need to drain the oil and remove the cover. Odds are that ring isn't moving over all the way around the carrier. Mine locked up bad in Moab. On top of moving the ring over with a screwdriver, I had to jack up the rear axle and play with the tires at the same time to get the dog clutch to release. It sounds like your wave spring might be shot. Mine started getting a little sticky unlocking, and it progressively got worse over time to the point that when I locked it, there was no getting it unlocked by itself.

If you want the real bad news, there's no simple replacement for the rubi locker. It's stupid money for the same POS locker, or it's more money for a decent 35-spline locker that will then require new 35-spline axle shafts.

fredrok 04-15-2019 05:51 AM


Originally Posted by resharp001 (Post 4339644)
If sliding the actuator ring over through the fill hole isn't working, you need to drain the oil and remove the cover. Odds are that ring isn't moving over all the way around the carrier. Mine locked up bad in Moab. On top of moving the ring over with a screwdriver, I had to jack up the rear axle and play with the tires at the same time to get the dog clutch to release. It sounds like your wave spring might be shot. Mine started getting a little sticky unlocking, and it progressively got worse over time to the point that when I locked it, there was no getting it unlocked by itself.

If you want the real bad news, there's no simple replacement for the rubi locker. It's stupid money for the same POS locker, or it's more money for a decent 35-spline locker that will then require new 35-spline axle shafts.

Truth here.....and when mine did the same (wave spring shot), it was also in Moab <key twilight theme>. At any rate, because it is stupid expensive, now is the time to consider upgrading. I ended up selling my setup for $1,200 to someone that wanted to upgrade to a D44 and invested in a PR60.


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