Any problems with the Full floating rear axles?

[Garan]

A friend said he heard that there might be some problems with the new full floating rear axles in the Jeep JL wranglers. Any truth to the rumor?

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[jadmt]

never heard of any issues..may be it is too early to know but to date not heard of any. I only have 7500 miles on mine so again who knows what happens down the road.

 

[Ratbert]

What problems did he think they have?

 

[mwilk012]

They’re going to be a problem long term. After seeing how they’re actually put together, it’s clearly an experimental design that is going to have parts supply issues within a decade.

 

[Lofty]

They’re going to be a problem long term. After seeing how they’re actually put together, it’s clearly an experimental design that is going to have parts supply issues within a decade.

What about the way they are put together makes it clear that the design is experimental and will have part supply issues within 10 years? Interested in the thoughts behind these claims.

 

[mwilk012]

What about the way they are put together makes it clear that the design is experimental and will have part supply issues within 10 years? Interested in the thoughts behind these claims.

It is not a traditional full floating axle by any means. It uses a proprietary hub assembly, it will have a small run on a very specific model and year range, and will likely not be continued for long. Consider it the eco-diesel of axle options.

 

[Vinman]

I believe it just uses a hub similar to the front hubs. Shouldn't be too much of a problem and I can’t see why replacement parts would be difficult to source.

 

[mwilk012]

I believe it just uses a hub similar to the front hubs. Shouldn't be too much of a problem and I can’t see why replacement parts would be difficult to source.

Why would the aftermarket bother to produce these in large numbers when there are very few being made? This is a common problem. Special edition / short run equipment always has these sorts of issues, like the 1500HD Chevy pickups.

 

[roaniecowpony]

Seems pretty weak in the area where the hub bolts to the housing. 4 pretty small bolts on a very small bolt circle. No need to worry about wheel studs breaking any longer. Those 4 little bolts will fail long before the wheel studs.

 

[roaniecowpony]

Why would the aftermarket bother to produce these in large numbers when there are very few being made? This is a common problem. Special edition / short run equipment always has these sorts of issues, like the 1500HD Chevy pickups.

I had one of those the year before they called it 1500HD. Mine was a 1999 1/2, 2500 (1st year) with an 8 lug semi-float.

 

[Vinman]

Seems pretty weak in the area where the hub bolts to the housing. 4 pretty small bolts on a very small bolt circle. No need to worry about wheel studs breaking any longer. Those 4 little bolts will fail long before the wheel studs.

I haven’t seen one in person or even good pics but aren’t they fastened on like the front hubs? Never heard of a front hub failing due to the mounting bolts failing

 

[Garan]

What problems did he think they have?

Nothing specific was mentioned.

 

[roaniecowpony]

I haven’t seen one in person or even good pics but aren’t they fastened on like the front hubs? Never heard of a front hub failing due to the mounting bolts failing

When you beat on things hard enough, they start failing. Clearly, the new rear floating axle met their design goals. But then, they don't have 37" or larger tires as part of the evaluation and who knows how hard people will drive.

 

[AcesandEights]

Nothing specific was mentioned.

If you look close enough, you can see Jeep already addressed exactly what your friend described. Baseless rumor, that's all.

 

[bugnuker]

It is not a traditional full floating axle by any means. It uses a proprietary hub assembly, it will have a small run on a very specific model and year range, and will likely not be continued for long. Consider it the eco-diesel of axle options.

Source?

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