Such a bad day.....CV Shafts! - JeepForum.com
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Unread 09-30-2010, 09:53 PM   #1
bradbb2005
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Such a bad day.....CV Shafts!

So Earlier this month I broke my 4WD, and I found out it was the CV shaft that was broke. So I bought both and a new hub assembly.

I get to my shop and get the old hub off the driver's side (just replaced passenger like month earlier) and Pull the sheared CV shaft out and put the new one in, put the hub on and all set.

Move to the passenger side, pull the hub off pull the CV out and it was good, worn, but good, so I try to slide the new shaft in but it stopped.....hmmm, so i pull it out and try again, it is like 4 inches too long! I go to Advance which is like 20 mins away, find out the other shaft (will explain later) is not in stock, and noone in town has the damn thing. So I go back to the shop, put the old CV in put the hub on and patch her up.

I pull it out for a test drive, get on some dirt and punch it.....POP, something broke....

The CV shafts from advance auto were the wrong ones, in the descriptions the two different CV shafts are "Part Time" and "Full Time", so having QTII i got the "Full Time", the description should have been, "With Varilok", Without Vari lok".

anyways the new drivers side shaft was too short and ended up shearing the end of the shaft that goes into the diff, only about 1/2" of splines were connected.

Having pulled the old CV out I decided to just plug the axle and drive back home without anything in there, well, bad idea.... apparently the hub assembly needs that shaft there to hold the bearing in place because she let loose, and stopped me dead, AAA got me to my place which is an hour away from the shop and a busted hub assembly!!

I'm not too happy with advance and their crappy description, but I should have measured before I put it in. ARGHHHH!

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Unread 09-30-2010, 10:13 PM   #2
WiCkeDuDe
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Yep you cant run those sealed bearings without the shaft through them. They will come apart. On the bright side, your not the first guy to separate a hub. Ive seen several people do it, one of which was a jeep dealership tech.

Did the wheel come off? Did you damage anything else?
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Unread 09-30-2010, 10:50 PM   #3
bradbb2005
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The wheel did not come off....yet. I haven't had a chance to look at it yet, It has rained all day here heavy mostly so it is sopping wet out there. I'm hoping its just the hub thats screwed.
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2008 KK 3.7L V6
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Past: 1996 XJ 4.0 I6, 1998 ZJ 4.0 I6, 2001 WJ 4.7 V8, 2005 KJ Renegade 3.7 V6
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Unread 09-30-2010, 10:57 PM   #4
bradbb2005
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The thing that really Irks me is how they "mislabeled" their parts. If they had labeled them correctly, I would be bumper deep in mud testing her out again....
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Unread 10-01-2010, 11:12 AM   #5
bradbb2005
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Well, the right shafts are at the store waiting, but for you viewing pleasure,

http://bradbb2005.dyndns.org:13000/FTP%20Server/Videos/
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Current:
2008 WK Limited 5.7L HEMI
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2008 KK 3.7L V6
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Past: 1996 XJ 4.0 I6, 1998 ZJ 4.0 I6, 2001 WJ 4.7 V8, 2005 KJ Renegade 3.7 V6
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