How to replace an axle shaft and/or a wheel hub bearing assembly w/PICS! - Page 5 - JeepForum.com
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Unread 10-20-2008, 11:37 AM   #61
stricksw
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Clicking & Grinding

I have a 99 JGC UL, this morning as I was backing out I noticed a clickinig coming from the left front...thought it might be a cv joint, but when I made a couple of turns I heard a little grinding...so now I think it might be the wheel hub bearing...would you agree? I went ahead & got the part & was searching for some pointers on doing this & dreading it...found your walkthrough & it makes it look like a breeze. Could it really be that simple? Thanks in advance for your time and effort to presenting this info.
One more question...is the torque value for the bolts absoloutely necessary?

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Unread 10-20-2008, 11:46 AM   #62
YJdad
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yes, it' really is that easy...take your time and double check your steps...IMO the torque is recommended. If you find that the original bolts are hard to get out be careful that you don't snap one....
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Unread 10-20-2008, 12:28 PM   #63
ArloGuthroJeep
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Torque is important. You can pick up an inexpensive torque wrench from Harbor Freight if that is what is stopping you or borrow one from someone.

If your boot on your CV joints look intact, it probably isn't them. It could be wheel bearings...those are fairly difficult to diagnose over the internet.
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Unread 10-20-2008, 12:35 PM   #64
ChiSilverSupra
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wow, what a great thread, i need to do this also. Thanks.
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Unread 11-18-2008, 07:57 AM   #65
tnc112105
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'99 Grand Cherokee

Wow. I've gotta hand it to ya! This is GREAT! I've been putting off this job for a while, but now I think I'll do it this weekend. Hopefully I can find a auto parts place that has the parts in stock.

One question though... Does the shaft have to be inserted a certain way? I read something on a different website that mentioned alignment marks...

Does this not matter if I'm buying the whole halfshaft?

Thanks for all your help!
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Unread 11-18-2008, 08:16 AM   #66
FPKites
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There are no alignment marks. Slip it in there, just be careful of the axle seals so you don't knock them out.
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Unread 11-18-2008, 08:49 AM   #67
Arcticcat843
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ok...Stupid question....why not replace them with shafts out of a xj/tj with u joints? I bet you could get some fromt eh JY and put new u joints in them cheaper than that one shaft....plus you dont have to worry about getting a little cut in the boot....And from what ive heard, u joints are ALOT stronger.

Some todo with the GC all time 4wd maybe?
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Unread 11-18-2008, 09:07 AM   #68
ArloGuthroJeep
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Quote:
Originally Posted by Arcticcat843 View Post
ok...Stupid question....why not replace them with shafts out of a xj/tj with u joints? I bet you could get some fromt eh JY and put new u joints in them cheaper than that one shaft....plus you dont have to worry about getting a little cut in the boot....And from what ive heard, u joints are ALOT stronger.

Some todo with the GC all time 4wd maybe?
Works fine on the ZJ's, but WJ's are wider and U-jointed axle shafts run $500+
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Unread 11-18-2008, 09:37 AM   #69
Arcticcat843
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oh...I see....i didnt relize they where wider...I thought they had the same D30 as a tj/xj
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Unread 11-18-2008, 09:56 AM   #70
ArloGuthroJeep
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Only thing that is the same is the name, D30...hubs, pinion seal, axle shafts, axle width, SS bracketry, etc are all different. R&P are the same though

edit: outer axle shafts are the same, it is the inners that are longer.
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Unread 11-19-2008, 11:58 AM   #71
MEinSoCal
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i'm planning on replacing my front passenger axle shaft and also doing some diff service (replace fluid and install lube locker) and was wondering... would a NEW axle come with new seals and wheel bearings?

i was looking at the write ups on jeepslimted.com but couldn't figure it out. is the wheel bearing in the hub? what about the axle seal for a D30, where/how does that go in? also the inner seal, since i'll have the diff cover off, is that an easy part to replace w/ the axle shaft out?
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Unread 11-19-2008, 12:14 PM   #72
ArloGuthroJeep
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A new axle shaft is just the shaft - no seals or bearings.

You have wheel bearings - which are inclusive of the wheel/hub assembly. That is one piece.
You have inner axle seals - they are inside the diff. They need to have the axles, diff cover & carrier removed in order to replace them. Not a fun job.
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Unread 11-19-2008, 01:07 PM   #73
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Quote:
Originally Posted by ArloGuthroJeep View Post
You have inner axle seals - they are inside the diff. They need to have the axles, diff cover & carrier removed in order to replace them. Not a fun job.
And that is why, I don't want to do it myself. Might as well re-gear eh....
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Unread 11-19-2008, 01:13 PM   #74
ArloGuthroJeep
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Yep...what is the worst is a gear installer redoing the gears, and not redoing the axle seals at the same time. $10 part that saves a huge headache and money later.
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Unread 11-19-2008, 02:04 PM   #75
MEinSoCal
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I think i paid about $300-350 just to have one of my inner seals replaced a while back. Go figure, a $10 part costs that much labor.
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