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Unread 08-22-2010, 08:44 PM   #1
JeepnBlake
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Rubicon Lockers and Pumps lifespan?

So I was wheeling the other day and slide sideways off a log bridge that was covered in weeds. Anyway I ended up winching out and my lockers stayed in blinking mode for awhile, longer than usual like 3x longer than usual. I thought it was the pumps, but they were fine, the shovel protected them fine.

So this leads me to this thread, how long or how much abuse can these pumps and lockers take?

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Unread 08-22-2010, 09:23 PM   #2
mudb8
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if you use them all the time, they'll always work till you bust em... occasonal use, like once a year, you'll prolly be lucky if they work. when they are in a bind, they can stick. ones like mine that are practically worn out lock and unlock instantly. if you've done a locker mod, they can sometimes blink even tho they are engaged.

The pumps are water tight as long as the intake, which is up behind the fuel filler neck gets submerged, there's no need to relocate them inside or higher in the jeep. I had in one instance a stick go through the skid and bust off the nipples, which was a fairly easy fix with a piece of 3/16" brake line and a die.. thats what you get for driving around on the brush pile at the Landing...







As far as the lockers go, they handle 33's and 4.88 gears just fine, for the most part the axle shafts are the weak link. I've been through a couple rubi lockers, both front and rear, the fronts crack the spiders and the rears tear up the sun and planetary gears. I have yet to bust a case but I have ruined them from driving home with scattered planetaries, theres no bushings for them to eat first.


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Unread 08-23-2010, 06:14 AM   #3
MJBinNM
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Quote:
Originally Posted by JeepnBlake View Post
Anyway I ended up winching out and my lockers stayed in blinking mode for awhile, longer than usual like 3x longer than usual
Did they eventually quit blinking? It could be a couple things. The sensors could be bad or unplugged which won't tell the computer that they're locked. Another thing could be a slight air leak somewhere.

My front locker was just blinking and the pump would cycle on and off way too much. I couldn't find anything externally, so I decided to open the diffs (it was time to change the lube anyway). The rubber air hose in the diff is "secured" to a metal nipple with a tiny spring clamp. Mine was just dangling on the nipple so I removed the spring clip and used a small zip tie to secure the line. I haven't had any issues since.
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Unread 08-23-2010, 08:09 AM   #4
JeepnBlake
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Yeah it's fine now, it just took a fair amount longer to do its job.
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Unread 08-23-2010, 11:38 AM   #5
Turfzilla
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You have a small air leak somewhere I would bet.
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Unread 08-23-2010, 09:21 PM   #6
JeepnBlake
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That's what I thought too, but they work just fine now. I'm thinking it was heat related since it was pretty warm here and it went through some long durations of idling.
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