XJ6 & XJ12 Series I, II & III 1968-1992

Is this IRS hub carrier FUBAR?

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Old Jan 11, 2026 | 06:34 PM
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Default Is this IRS hub carrier FUBAR?

Greetings,
Im in the process of refreshing the IRS. When I received the car, the rear hub carrier was in really bad shape. The bearings were completely destroyed and part of the carrier was sheered off from the friction. I replaced the bearings and races but am concerned about the fitment of the oil seal as it doesn't seem to fit correctly.
I would greatly appreciate any input on the viability of this hub carrier and the oil seal. Is the damage impacting the seals fitment or am I doing something wrong?

SOLVED: The hub is indeed cooked. I suspect the spacer was not installed last time the carrier was serviced (1998 at least) and the bearing shredded itself, the oil seal, and the carrier edge it would sit in. Current plan is to grease as much as possible to run as is and replace when it's cooked again. Many thanks to Greg and Grant for the help!

Attached are pictures of the carrier as well as the oil seal ordered from parts geek. Car is a 1983 XJ6 VDP

Hub carrier
Hub carrier with damage
Oil seal for reference
Oil seal for reference
.
 

Last edited by diiid21; Jan 12, 2026 at 05:23 PM. Reason: update post with solution/answer
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Old Jan 11, 2026 | 09:15 PM
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Grab a beer, or a coffee,

Slide on into the XJS Section, one down from here, and in the Stickies at the top is a walk through by Greg on "Rebuilding the rear hubs ......". It is the tell all, warts and all.

If this link works, goodo, IT and me are luv/hate thing.
https://www.jaguarforums.com/forum/x...shafts-263094/

He has another in that section for the Outer Fulcrum bearings, worth a read also, so a 2nd beer maybe.

 
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Old Jan 12, 2026 | 12:26 AM
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From the first photo, the sides of the depression in the hub carrier that holds the oil seal do not look vertical. I think whatever happened to your axle wore away the casting. Additionally the depression does not look round, but distorted at the 8 o clock area, which is where in the second photo the oil seal is clearly not fitting properly.

If the oil seal depression is not in fact not vertical, but is cone shaped (wider at the top) and distorted, then the hub carrier is toast.
This is what the oil seal track should look like:



 

Last edited by Greg in France; Jan 12, 2026 at 12:40 AM.
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Old Jan 12, 2026 | 05:13 PM
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Ah it is indeed coned. If the only solution is replacement then I might as well run it unsealed till the bearings seize up from dirt. Greg, many thanks for the insight and pictures to compare!
 
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Old Jan 12, 2026 | 05:16 PM
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Grant, thanks for the links and direction. This will definitely come in handy when I replace the hub carrier.
2 beers for the read, 12 for the job itself!
 
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Old Jan 12, 2026 | 10:46 PM
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G'day diiid,

You might be able to put a new seal in place and secure it with a few well placed screws around the outer edge of the seal with the screw heads overlapping the seal. If you do this make sure the screw heads do not interfere with the seal runner or the axle.

Just a thought.

Cheers and good luck,
Jeff.
 

Last edited by watto700; Jan 13, 2026 at 03:38 AM.
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Old Jan 13, 2026 | 03:54 AM
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Originally Posted by diiid21
Ah it is indeed coned. If the only solution is replacement then I might as well run it unsealed till the bearings seize up from dirt.
Please do not think me rude; but that is crackers, with nothing to hold the grease in that hub will fail, possibly catastrophically.
Just get one off ebay; as the driveshaft is out of the hub (which is the only hard part of the swap) swapping it over is quick and easy.
 

Last edited by Greg in France; Jan 13, 2026 at 09:57 AM.
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Old Jan 13, 2026 | 08:32 PM
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G'day diiid,

I have seen ball bearings with integral grease seals but didn't think that tapered bearings could have integral grease seals but out of curiosity I googled it and found this website. https://www.clarkseals.com/bearing-seals.html

There maybe something there you can use.

Cheers,
Jeff.
 

Last edited by watto700; Jan 13, 2026 at 09:24 PM.
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Old Jan 14, 2026 | 12:52 PM
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Shouldn't be hard to find a good used hub. I'd call David Boger first...
 
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