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Old 04-24-2009, 02:52 AM   #1
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Rubi lockers and stock dana44s

OK so now that I'm a Rubicon owner I'm trying to learn as much as I can about them before I start dumping all my money into it.

My question is are the Rubicon lockers as good and reliable as all the aftermarket ones. Besides them taking long to engage which I can live with are they going to be able to handle 35"s well? What are the weak links of the stock Dana 44s?
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Old 04-24-2009, 03:00 AM   #2
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Also correct me if I'm wrong, but there's no c clip in the Dana 44 therefor if something breaks I wont loose the wheel and axle shaft?

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Old 04-24-2009, 04:21 AM   #3
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In a nutshell about the lockers. No, they aren't as strong as aftermarket selectable lockers. The rear one is the weak point of the two. A lot of guys when they break the rear will turn around and put another front rubi locker in the rear. It's a bit stronger because it's not a psuedo track lock.

The shafts are 30 spline and shouldn't have any issues holding up to 35's, however if you are looking to upgrade something then alloy shafts of some sort are never a bad idea. :d You are also correct. The rear is not a c-clip like the 35c axle is. The shafts are held in by the retainer plate.
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Old 04-24-2009, 11:20 AM   #4
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Quote:
Originally Posted by 1BLKJP View Post
In a nutshell about the lockers. No, they aren't as strong as aftermarket selectable lockers. The rear one is the weak point of the two. A lot of guys when they break the rear will turn around and put another front rubi locker in the rear. It's a bit stronger because it's not a psuedo track lock.

The shafts are 30 spline and shouldn't have any issues holding up to 35's, however if you are looking to upgrade something then alloy shafts of some sort are never a bad idea. :d You are also correct. The rear is not a c-clip like the 35c axle is. The shafts are held in by the retainer plate.
X2 on everything said, especially that the Rubicon's rear locker that hasn't held up as well as Jeep expected.
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Old 04-24-2009, 11:22 AM   #5
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X2 on everything said, especially that the Rubicon's rear locker that hasn't held up as well as Jeep expected.
so far, mine has given me no problems...maybe I need to wheel harder!!!
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Old 04-24-2009, 11:30 AM   #6
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Break it! I wanna see pix of you stealing a locker in the mall parking lot.
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Old 04-24-2009, 12:12 PM   #7
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if you break a rear rubicon locker i would take that oportunity to upgrade to an arb or a detroit locker or if its trail only rig then a spool. putting a front rubi locker in the rear is stronger than the rear locker that came bundled with the liited slip but its not a whole lot stronger. Huck went that route and a few wheeling trips later he broke it again. ALLOY USA used to sell a rear ARB locker combo with 35 spline chromolly shafts. they might still be available, or save up for a spidertrax 9 or d60
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Old 04-24-2009, 12:13 PM   #8
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Break it! I wanna see pix of you stealing a locker in the mall parking lot.

it can be done!!!
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Old 04-24-2009, 12:14 PM   #9
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I broke my rear Rubi locker a few weeks ago. I knew it was the weak point in my axle and it finally gave up the ghost.

Now if I could just get the spool installed!
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Old 04-24-2009, 03:32 PM   #10
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Quote:
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I broke my rear Rubi locker a few weeks ago.
What happened? Do you have some pics please?
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Old 04-24-2009, 04:04 PM   #11
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What happened? Do you have some pics please?
I didn't get any pics from when it happened. I can get some pics of the broken locker if you'd like.
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Old 04-24-2009, 04:08 PM   #12
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That would be nice.
A friend doesn´t believe that a Rubcon locker can brake...
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Old 04-24-2009, 06:40 PM   #13
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That would be nice.
A friend doesn´t believe that a Rubcon locker can brake...
Your friend just doesn't know much about them then. The front Rubicon locker seems to be up to wheeling but the rear locker doesn't hold up as well. That they are known to break if pushed very hard is becoming more and more widely known.
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Old 04-24-2009, 10:53 PM   #14
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That would be nice.
A friend doesn´t believe that a Rubcon locker can brake...
Any locker will break if you put enough stress on it. Mine just happened to be the only thing OEM left on or in my axle and it's what broke. I knew it would happen some day but I was hoping I could make it last another year or so. Oh well it's just money!
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Old 04-26-2009, 03:12 PM   #15
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for all the guys that broke the rear locker what size tires were you running and how did it break? Hill climb? during the engaging and disengaging part? do you still need to run air lines and a new compressor if you upgrade it to an arB? Thanks
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Old 04-26-2009, 03:21 PM   #16
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do you still need to run air lines and a new compressor if you upgrade it to an arB? Thanks
Yes, Rubicon lockers run on 8-10 psi and ARB lockers require 80-90 psi.
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Old 04-26-2009, 03:45 PM   #17
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One sure way to break a Rubicon locker is to strain it before it's seated properly.

When you "engage" it, the dash light flashes until the locker is fully engaged. Best way - engage it "before" you need it and wait a second till it quits flashing.
Sometimes the dogs don't match up, so it keeps on flashing. Simply roll forward or backwards slightly, or turn the front wheels a little till it stays on solid.

In most cases I've seen them break, was when the guy turned them on while a wheel was spinning.
But yes, they are weaker than other types.
I can post a picture of one that grenaded if you want.
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Old 04-26-2009, 07:48 PM   #18
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Rear locker"vulnerable when flashing" ...This is the kind of info that saves me $$..Tip of the day!! Thanks
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Old 04-26-2009, 07:53 PM   #19
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i want to see that pic of one that broke.
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Old 04-27-2009, 03:12 PM   #20
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x2 on that pic

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