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ARB locker 14bff

I'm also using one in my 14bff. Works great, but the seal went bad and pumps oil back into my compressor so I need to replace the o-rings inside.
How is that even possible? If the o-rings were bad wouldn't the air pressure leak into the axle housing and just go out the vent? And when the compressor is not on how is oil travelling all the way up hill to the compressor?
 
How is that even possible? If the o-rings were bad wouldn't the air pressure leak into the axle housing and just go out the vent? And when the compressor is not on how is oil travelling all the way up hill to the compressor?

Can't say I know exactly how it works but other people have had the same issue. Heat and pressure allow a little oil to get through at a time until it builds in the line and then can't drain back easily. I had gear oil traveling all the way up the blue line (uphill) and into my solenoids, then down all over the inner fenders. I unplugged the air line until I get some time to fix it. Worked great up until then.
 
Can't say I know exactly how it works but other people have had the same issue. Heat and pressure allow a little oil to get through at a time until it builds in the line and then can't drain back easily. I had gear oil traveling all the way up the blue line (uphill) and into my solenoids, then down all over the inner fenders. I unplugged the air line until I get some time to fix it. Worked great up until then.
Hmmm.. wierd.
 
have 1 . just the truck is not finished yet .

@Larry has one in his 8.1L swapped short bed and likes it .

Oh, hell yes, I love it! I miss the rear Detroit Locker like a pack for flaming hemorrhoids. My rear ARB, ARB Twin compressor and Viair tank worked flawlessly on our annual Desert Trip this past summer where I used it pretty much every day. Used it on a local mountain trip not long ago so it doesn’t have a lot of time under its belt yet but so far so good. I don't have a front locker yet.

Like others have said, the biggie with the ARB reliability is the install and care in line routing and fastening/protection. One must be careful pressing on the side bearing onto the carrier as well as being as ginger as you can while gently placing the carrier in the axle. I suspect that copper tube soldered to the actuator can’t be whacked more than once.

I also ditto what others have said about how poor ARB’s customer service is. Yes, it is bad and possibly one of the most sucktastic suppliers I have dealt with in a long time. I don’t believe all their issues are related to parts coming from the dark side of the moon. They just seem like a bunch of tools up there. I even stopped by to visit them in Auburn, WA last spring when I was up there on business and confirmed the place is a complete toolbox. I did have issues with the rear locker kit missing an O-ring then my compressor would not build pressure. Got the total jerk around on both of those items and lost weeks of progress. They acted like I was trying to get over on them for a $3 o-ring that took 3 weeks to get. Then they had the compressor for weeks while they took it apart to figure out why it wouldn’t build pressure. I feel they should have just sent me a new one right away given the cost of their goods. Lastly, I ordered an extra harness for the compressor so it could be extended from the camper to the switches in the cab. Their wiring is an oddball size that would be hard to match so I just ordered another harness to just use weather packs to marry them together. It was cheap, like $40 for an extra harness but it took another 3 weeks to get. I remember all in all, I lost 7 weeks of progress due to ARB piss poor service. Good thing it is my truck. Not sure how off-road shops can deal with that BS on customer pay jobs. Now that I think about it, it pisses me off all over again. Might just consider a E-Locker for my front D60.

If you buy from ORD, they provide a really nice HD line kit that is the cats meow.
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The front locker switch is a place holder for now. That locker will be coming in April albeit E-locker or another ARB
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ARB Twin. It works great now.....after ARB fiddled with it for weeks
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Viair tank mounted under the camper and above the RR wheel tube
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The Twin compressor builds pressure fast and high
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I've chewed up one locking collar in Wally the whole time we've had the ARB in the rear and that's been the only problem that wasn't related to plumbing or electrical and even at that it's been like 2 problems ever. They are more complex overall but you also get to unlock the diff which is actually a pretty complex operation it turns out. We run several of the twin compressors now and they do a pretty darn good job of airing up big tires so they're a totally viable air source.

A good dealer is probably the key to dealing with an ARB. Basically by just not having to deal with them. We'll have to look at increasing our stock on wear parts so we have the common stuff on the shelf all the time.

The HD line kit is a key to keeping the line alive going from frame to axle and routing and bundling are also important. We bundle our breather, brake lines and ARB line along with the steering lines where they apply. By the time we tie all that crap together it's a pretty strong bundle and does not get torn up by brush. And if it does we stop doing things for a while for sure!
 
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