Is there an OUTER axle tube seal kit for 2022 JT?

[WILDHOBO]

What holds the inner end of the outer half-shaft?

It's got to have a bearing or bushing that holds the pieces the shaft slides into in the FAD.

The axle seal, just on the outside of the fad.

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[WILDHOBO]

The axle seal, just on the outside of the fad.

The axle seal isn’t next to the diff like the driver side. It’s outside the fad.

 

[adamjedgar]

The axle seal isn’t next to the diff like the driver side. It’s outside the fad.

Yep the axle seal is on the "US" RHS/passenger side of the FAD housing. However, there is no bearing on the outer shaft.
On mine it appears the bearing is on the intermediate shaft...i cant see it, but I'm assuming it's just to the left of the FAD housing.

I know there is a bearing inside the diff at the start of the intermediate shaft...however the seal and that bearing seem to be intact (i havent removed them yet, so im not 100% sure)

The image is looking inside the "US" passenger (rhs) side of the diff pumpkin (this is rhs/driver side for Australian vehicles)

 

[WILDHOBO]

Yep the axle seal is on the "US" RHS/passenger side of the FAD housing. However, there is no bearing on the outer shaft.
On mine it appears the bearing is on the intermediate shaft...i cant see it, but I'm assuming it's just to the left of the FAD housing.

I know there is a bearing inside the diff at the start of the intermediate shaft...however the seal and that bearing seem to be intact (i havent removed them yet, so im not 100% sure)

The image is looking inside the "US" passenger (rhs) side of the diff pumpkin (this is rhs/driver side for Australian vehicles)

So that’s the inner shaft? Is the fad still on the right side of the vehicle, or is it on the Australian passenger side?

 

[WILDHOBO]

Yep the axle seal is on the "US" RHS/passenger side of the FAD housing. However, there is no bearing on the outer shaft.
On mine it appears the bearing is on the intermediate shaft...i cant see it, but I'm assuming it's just to the left of the FAD housing.

I know there is a bearing inside the diff at the start of the intermediate shaft...however the seal and that bearing seem to be intact (i havent removed them yet, so im not 100% sure)

The image is looking inside the "US" passenger (rhs) side of the diff pumpkin (this is rhs/driver side for Australian vehicles)

Also, you just broke my brain a little.

 

[ShadowsPapa]

The axle seal, just on the outside of the fad.

A seal doesn't support a shaft.
A shaft needs to have support at both ends. One end is supported in the knuckle, the other side has to be supported in the FAD - the shaft would otherwise wobble. A seal isn't going to support it - unless it has a bearing made into it.

The left side axle shaft is supported at the knuckle and on the inner end by being in the differential side gears - which hold the inner end of the axle shaft steady.
The right end must have something in the fad to hold that end steady.

Been trying to find the diagrams for the FAD on these but all I can find is the Dana 30 and such like Eagle and older Jeeps used - and there was support in the FAD for that half-shaft. It was supported at the knuckle by being clamped into the bearings in the hub and then a plain bearing in the FAD.

 

[WILDHOBO]

A seal doesn't support a shaft.
A shaft needs to have support at both ends. One end is supported in the knuckle, the other side has to be supported in the FAD - the shaft would otherwise wobble. A seal isn't going to support it - unless it has a bearing made into it.

The left side axle shaft is supported at the knuckle and on the inner end by being in the differential side gears - which hold the inner end of the axle shaft steady.
The right end must have something in the fad to hold that end steady.



Been trying to find the diagrams for the FAD on these but all I can find is the Dana 30 and such like Eagle and older Jeeps used - and there was support in the FAD for that half-shaft. It was supported at the knuckle by being clamped into the bearings in the hub and then a plain bearing in the FAD.

https://parts.moparonlineparts.com/...rential-and-drive-line--front-axle-disconnect

 

[adamjedgar]

I note in the exploded diagrams, there is no second bearing on the intermediate shaft. I don't see any bearing actually...it appears that the sliding disconnect collar is it???

If thats the case, where did all the bearing balls come from that i found sitting in the bottom of the FAD when I took the cover off and, what is that bit of bearing ring from thats on my intermediate shaft?

 

[ShadowsPapa]

I note in the exploded diagrams, there is no second bearing on the intermediate shaft. I don't see any bearing actually...it appears that the sliding disconnect collar is it???

If thats the case, where did all the bearing balls come from that i found sitting in the bottom of the FAD when I took the cover off and, what is that bit of bearing ring from thats on my intermediate shaft?

#4 is a bearing.
#2 the intermediate shaft.

Looks like the two shafts have a bronze bushing in common where the nose of one fits into the bushing that's in the end of the other shaft. Sort of like a pilot bushing on older clutch systems where the nose of the transmission input shaft is supported only by a bronze bushing.

Anyway, in this pic, it says #4 is a bearing - so............ damn, you just have the most crappy luck!

 

[WILDHOBO]

I note in the exploded diagrams, there is no second bearing on the intermediate shaft. I don't see any bearing actually...it appears that the sliding disconnect collar is it???

If thats the case, where did all the bearing balls come from that i found sitting in the bottom of the FAD when I took the cover off and, what is that bit of bearing ring from thats on my intermediate shaft?

The collar is definitely not a bearing. There is a bearing on the inside (diff facing) side of the fad housing.

 

[WILDHOBO]

The collar is definitely not a bearing. There is a bearing on the inside (diff facing) side of the fad housing.

Are you calling the intermediate shaft the inner one? I thought my intermediate was the outer shaft.

 

[ShadowsPapa]

Are you calling the intermediate shaft the inner one? I thought my intermediate was the outer shaft.

This picture is named "intermediate shaft" and there's definitely a bearing.
Shaft is 2 and bearing is 4.
So this is saying the outer shaft has a bearing if that's the intermediate shaft.......

 

[WILDHOBO]

This picture is named "intermediate shaft" and there's definitely a bearing.
Shaft is 2 and bearing is 4.
So this is saying the outer shaft has a bearing if that's the intermediate shaft.......

Thanks. I had which one was intermediate reversed. I talked to RCV today regarding this setup. There isn’t a bearing for the outer shaft. Just a seal. That bearing 4 goes on the inner shaft for sure. The snap ring 5 holds it on. The collar is the last thing before the outer shaft. Other than the seal that’s in the housing on the outer side of the fad housing.

 

[ShadowsPapa]

Thanks. I had which one was intermediate reversed. I talked to RCV today regarding this setup. There isn’t a bearing for the outer shaft. Just a seal. That bearing 4 goes on the inner shaft for sure. The snap ring 5 holds it on. The collar is the last thing before the outer shaft. Other than the seal that’s in the housing on the outer side of the fad housing.

Then my take is the intermediate shaft come out of the front differential side gear (splined into the gear) and the gear runs in the carrier and is thus supported there.
Then on the outer end of the intermediate shaft - the end that goes into the FAD there's a bearing.
The intermediate shaft is supported on the diff side by the side gear and on the FAD end by that bearing.
The outer half-shaft is supported in the FAD by that bronze bushing in the end of the intermediate shaft and on the outer end in the hub.
Now it makes some sense.
Thanks.

 

[WILDHOBO]

Then my take is the intermediate shaft come out of the front differential side gear (splined into the gear) and the gear runs in the carrier and is thus supported there.
Then on the outer end of the intermediate shaft - the end that goes into the FAD there's a bearing.
The intermediate shaft is supported on the diff side by the side gear and on the FAD end by that bearing.
The outer half-shaft is supported in the FAD by that bronze bushing in the end of the intermediate shaft and on the outer end in the hub.
Now it makes some sense.
Thanks.

I love figuring these things out.

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