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Unread 07-15-2010, 10:32 AM   #1
ronsjeep
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What's involved to replace front hub assys

Just found out that I have one totally shot bearing and the other side not far behind. Shop wants $275 per side and 2 hrs labor so it would be more than $700.

What's involved with replacing the hub assys for both sides? Aside from a socket for the axle nut, are there any special tools needed? I'm reasonably handy so I don't mind tackling this.

Is there a "how to" procedure around for this?

What are recomended munufacturers to use?

This is for the '03 KJ (obviously).


thx

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Unread 07-15-2010, 11:28 AM   #2
tjkj2002
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Not to hard,but can turn into a nightmare quick.

You need a 35mm socket,a E12(or E14 socket,can't remember off hand) for the 3 unit bearing bolts,a 12mm socket(calipers),and a 21mm socket for the caliper mounts.This just the basic tool list.

You need to take the wheel off,take the 35mm axle nut off(have another person step on brake pedal for this).Remove the brake caliper and then it's mount,remove rotor.Remove the 3 "E" Torx bolts on the back side of the unit bearing,and remove the bearing.This is where it can be fun as corrosion can seize the CV stub shaft into the unit bearing and the unit bearing in the knuckle.A special hub puller comes in handy for this.Install is the reverse,the axle nut is torqued to 100 lbs-ft.

Get Timkin unit bearing,will cost more is you have ABS.$700 for a shop to do it is pretty cheap.
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Unread 07-15-2010, 07:16 PM   #3
ronsjeep
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That will do it. Went to rock auto, ordered the timken non-abs hubs w/5% discount coupon for a total of $291, the total from the shop would have been $750. Found on another link the E-14 is the size for the torx. I have a 36mm socket for the axle nut, wondering whether that will work of if I need the 35mm so I don't bugger it up?

I'll put the truck on stands & pull the hubs so I can drop them in as soon as they arrive.
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Unread 07-15-2010, 08:41 PM   #4
95BadBoy
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If the axel nut is 35mm, 36 may or may not be sloppy.

With what you'll be saving by doing it yourself - it'll be worth picking up another socket.
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Unread 07-19-2010, 10:44 AM   #5
ronsjeep
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Completed.

Picked up a 35mm socket for the axle nut and used a 12-pt socket for the hub bolts. One bolt started to strip but I hammered on the socket and got it off without problems, I've already ordered a female E-14 socket for next time I need to get the bearing out.

Took a while (in 95 degree heat) to separate the bearing from the knuckle, used a bfh and cold chisel.

All in all < 3 hrs from start to finish.
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Unread 07-19-2010, 11:36 AM   #6
95BadBoy
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Nice And kept a few Franklin's in your pocket to boot.
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05 TJ RME 42RLE with some things
05 KJ CRD 545RFE, GDE Eco tune, Franky II, Al's 4.5 A-arms, JK Rubi Moabs, Silent Armors 245-70-17's, Spidertrax Adapters, Rola Basket, Fumoto Valve, Pinch welds pounded

FS or FT (2) JK Rubi 17" Moab Rims - really nice shape
Need JK Rear Spare tire bracket for project
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Unread 06-08-2013, 09:12 PM   #7
phillou
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n

Last edited by phillou; 06-08-2013 at 09:30 PM..
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Unread 06-08-2013, 09:18 PM   #8
tjkj2002
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Quote:
Originally Posted by phillou View Post
I've just did both side on mine today ... got them for 38$ a piece from ebay...I did the axle nut with a 1 3/8 sae and an E14 for the hub assembly everything went well took me about 3 hours and I did the front brakes at the same time since they need to be remove.
Good luck,you will be doing them again very soon with fleabay junk.Seen all those barely last a year before they fall apart,and I mean fall apart.
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