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Auto mode (AWD) simply allows the center differential to slip to compensate for different front and rear driveshaft speeds while turning. It normally biases output to the rear driveshaft, but can transfer up to 50% of torque to the front driveshaft if conditions warrant it. It doesn't know whether the front and/or rear axles are locked. In fact, you can have both front and rear locked while in AWD, and it'll work just fine. Granted, if you're in a situation where you're using any kind of selectable locking differential, you'd best already be in 4H or 4L. Auto mode is for use while driving in inclement weather, not for off-roading where a locking diff is desirable. Since the ARB is a selectable locker, it runs open when it's not engaged. Hence, it'll be invisible to the center diff while in Auto mode. By the way, the ARB locking diff bolts directly to the ring gear and fully replaces the carrier, so it doesn't matter whether you have an LSD or an open diff to start with. The Lokka (front diff) is an automatic locker. Again, whether you're in 2H, 4H, 4L or AWD, it'll work the same. The AWD system won't even know it's there.

Echoing what XPLORx4 said: there are no issues here. We put front and rear ARBs in @Rockit's QX4 the other month, so he can back drivability claims. Having them is inconsequential in Auto mode because they are disengaged. Though if you're also planning to get a front ARB, just know that ARB introduced issues that the previous locker did not have (I've installed both). The newer style requires pulling the pinion gear from the case, grinding it down 1-2mm on the head, and modifying the oil seal ring on the RH stub shaft, which requires a press to remove and reinstall in a new position a few mm's off. Lousy design on ARB's part.

A couple weeks ago I was able to strip down an R50 bought as a parts truck that was headed off to the JY that afternoon. Since I expect to have my truck another 10-15 years, some of this will be replacement parts if needed. I plan to use some of the trim pieces to experiment on where & how to place mounts & to attempt to reclaim some of wasted space in the body walls. Finally, it was a great opportunity to just dissect the interior & see what was under everything. I took a ton of reference photos for the future. You can imagine how excited my wife was when I came home....

I'm gonna go out on a limb here and say you like blue! Hopefully the frame's getting some attention too, that second to last picture reminds me of my '95. Yesterday I pulled all the junk out of the back of mine and had a go at cleaning the manky carpet. It didn't come out looking like new, but doesn't look like I slaughtered a pig on it anymore, so that's an improvement. Then I started looking at the ammo can console I made a while ago and never got around to painting, and decided to upholster the thing. Apart from the vinyl being way too light and the squishy foam making it feel like Grandma's toilet seat, I'm pretty happy with how it turned out. Oh, and I picked up little pieces of blue plastic from pretty much everywhere after leaving a lighter on the dashboard in direct sunlight and 105° heat. Pro tip, don't do that. They explode.

I believe @fleurys had that auto mode t case and a rear locker? I know he’s done a lot of digging on the auto case and has f/r lockers, but can’t remember what case he has. @R50JR has lokka and auto mode, but I don’t think he uses it as he lives in Arizona. From what I know, you can lock both ends with the auto mode case, as long as you make proper adjustments / commit to certain scenarios. if you’re in auto mode, never have the locker switched on. if you’re not in auto mode, do whatever you want. @RainGoat is heading towards this if I remember correctly, and should be able to contribute anything I missed or got wrong It seems to me that the only issues can occur when you are in auto mode and turn on the locker, but I’ll defer to anyone who has actually tried that or can point to better info there shouldn’t be any drivetrain incompatibilities in terms of gear ratio. I cannot, however, remember if the ARB requires an open carrier. Many (All?) auto lockers require open carriers to drop into.

Nice haul! You can never have too many spares. I saved a bunch off my '95 but often wish I'd grabbed more.

Ha! I didn't know you pulled THAT much...that's awesome. Swap meet at your place!

Finally got my diff back from the shop all new bearings and races, also the speed sleeve was worn. I installed most of it today just working on my old backing plates, since they are impossible to find, plus I can never justify the shipping. Lots of patience and looking back in my photos. I also re loomed the speedo cable with some braided stuff. Next project is doing the braided loom to the entire engine harness, lots of connections and fun! Sent from my iPhone using Tapatalk