Hub Carrier Bearing replacement RESOLVED HOW TO
#2
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Hi Juliesjag69,
I assume you're talking about one of the rear hub bearings, Part 3 or Part 9 or both in the diagram below? Part 8 is the Hub Carrier and Jaguar Classic Parts lists the bearings as Hub Bearings, which are also commonly called Rear Wheel Bearings:
If those are the ones you're looking for, below are links to photos of the replacement job on our '93 XJ40, which is essentially identical to your X300. The job isn't difficult, just take very seriously Jaguar's warning to use new axle nuts because they are only good for one use, and you'll need a torque wrench capable of setting those nuts at 221-236 ft. lbs.:
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Cheers,
Don
Last edited by Don B; 09-05-2014 at 09:10 PM.
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#3
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#5
Sometimes the bolt (13) becomes seized in the carrier. Note at the opposite end, towards the rear, you may have a bolt head instead of a thread. Clean the head carefully and you may see a small mark. This is for adjusting the toe-in. Take note of this as you may need it for setup afterwards. Get something like a small extension or bolt of same diameter and hit the bolt (13) carefully out towards the rear of the car. Don't mix up the spacers (16)
#7
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Hi Juliesjag69,
In the links I sent earlier, Photo 7 in Album 1 and photo 3 in Album 4 show those bearings. Somewhere I got the "Hub Carrier Bearing" terminology too, because that's what I call them in my photo albums, but Jaguar Classic Parts and the Electronic Parts Catalog just call them "Taper Roller Bearings."
Hub Carrier and Hub Assembly-Rear - Parts For XJ Series from (V)720125 to (V)812255 (X300) | Jaguar Heritage Parts UK
Replacing those is not usually difficult unless the pivot bolt and/or the pivot pin sleeve are corroded as overtheatlantic observed. Typically you don't even have to remove the hub from the car. What are the symptoms prompting you to need to replace those bearings?
Cheers,
Don
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#8
Hi Juliesjag69,
In the links I sent earlier, Photo 7 in Album 1 and photo 3 in Album 4 show those bearings. Somewhere I got the "Hub Carrier Bearing" terminology too, because that's what I call them in my photo albums, but Jaguar Classic Parts and the Electronic Parts Catalog just call them "Taper Roller Bearings."
Hub Carrier and Hub Assembly-Rear - Parts For XJ Series from (V)720125 to (V)812255 (X300) | Jaguar Heritage Parts UK
Replacing those is not usually difficult unless the pivot bolt and/or the pivot pin sleeve are corroded as overtheatlantic observed. Typically you don't even have to remove the hub from the car. What are the symptoms prompting you to need to replace those bearings?
Cheers,
Don
In the links I sent earlier, Photo 7 in Album 1 and photo 3 in Album 4 show those bearings. Somewhere I got the "Hub Carrier Bearing" terminology too, because that's what I call them in my photo albums, but Jaguar Classic Parts and the Electronic Parts Catalog just call them "Taper Roller Bearings."
Hub Carrier and Hub Assembly-Rear - Parts For XJ Series from (V)720125 to (V)812255 (X300) | Jaguar Heritage Parts UK
Replacing those is not usually difficult unless the pivot bolt and/or the pivot pin sleeve are corroded as overtheatlantic observed. Typically you don't even have to remove the hub from the car. What are the symptoms prompting you to need to replace those bearings?
Cheers,
Don
#9
Be careful after you change the bearing. The end float is the key, you will have to measure that with a gauge. IF there are no end float you will damage the bearing, so in that case you will have to change the spacer No. 16.
I forgot how much end float was appropriate, but that was stated in the workshop manual.
I will check when I have time, or maybe someone will help with that.
I forgot how much end float was appropriate, but that was stated in the workshop manual.
I will check when I have time, or maybe someone will help with that.
#10
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Be careful after you change the bearing. The end float is the key, you will have to measure that with a gauge. IF there are no end float you will damage the bearing, so in that case you will have to change the spacer No. 16.
I forgot how much end float was appropriate, but that was stated in the workshop manual.
I will check when I have time, or maybe someone will help with that.
I forgot how much end float was appropriate, but that was stated in the workshop manual.
I will check when I have time, or maybe someone will help with that.
Actually, the X300 manuals call for a couple thou *pre-load* on the rear bearings. That is, less-than-zero clearance; no end float at all.
Near as I can tell almost nobody goes thru the process of checking and setting up the pre-load. Presumably replacement bearings are all so close in size that merely reassembling all the parts gets them close enough to spec.
Cheers
DD
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#12
Hi Juliesjag69,
I assume you're talking about one of the rear hub bearings, Part 3 or Part 9 or both in the diagram below? Part 8 is the Hub Carrier and Jaguar Classic Parts lists the bearings as Hub Bearings, which are also commonly called Rear Wheel Bearings:
If those are the ones you're looking for, below are links to photos of the replacement job on our '93 XJ40, which is essentially identical to your X300. The job isn't difficult, just take very seriously Jaguar's warning to use new axle nuts because they are only good for one use, and you'll need a torque wrench capable of setting those nuts at 221-236 ft. lbs.:
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Cheers,
Don
I assume you're talking about one of the rear hub bearings, Part 3 or Part 9 or both in the diagram below? Part 8 is the Hub Carrier and Jaguar Classic Parts lists the bearings as Hub Bearings, which are also commonly called Rear Wheel Bearings:
If those are the ones you're looking for, below are links to photos of the replacement job on our '93 XJ40, which is essentially identical to your X300. The job isn't difficult, just take very seriously Jaguar's warning to use new axle nuts because they are only good for one use, and you'll need a torque wrench capable of setting those nuts at 221-236 ft. lbs.:
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Welcome to Jag-lovers - Members Photo Viewing Page
Cheers,
Don
Doing this job now and all the clickable links to the photos are broken.
Thanks,
Leo
#13
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Hi Leo,
Unfortunately the Jag-Lovers forum has been in the process of transferring images and other data to a new server for a couple of years now, and most of the large images are still unavailable. Only the thumbnails are visible. Uploading all those images took me countless hours and unfortunately I haven't had time to upload them again to the Jaguar Forums. Maybe someday! Good luck with your bearings. I'm sure you'll do fine.
Cheers,
Don
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