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Super6er
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PostPosted: Wed Feb 27, 2013 7:26 pm 
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Anyone with experience on this let me know what I'm missing to get the gear out . I'm wrapping it up for tonight and will try again tomorrow.

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Junior
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PostPosted: Wed Feb 27, 2013 7:27 pm 
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your gonna have to take your brakes apart to gain clearance for the axle retaining plate to come off. once you do that put your drum on backwards and thow a couple lug nuts on there backwards so the flat of the nut is against the drum.make sure that the lug nuts are even so the drum is touching all of them at once. dont put them on all the way. leave room for the drum to slide on the studs. once you have that going on push the drum all the way onto the axle and yank it out hard and fast. if the axles have never been out it make take alot of tries but it will come out. im sure they make a tool to do it but i dont know what its called and have never used one.

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Super6er
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PostPosted: Wed Feb 27, 2013 7:32 pm 
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I've got the axels out there free and pulled out over a foot.
https://www.dropbox.com/s/wulmt4dl5vex5 ... .30.55.jpg

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64DartGT
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PostPosted: Thu Feb 28, 2013 3:34 am 
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Looks good you are almost there.........

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Super6er
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PostPosted: Thu Feb 28, 2013 7:00 pm 
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Well I did not have to much time to work on it tonight but I managed to break something. There is a threaded piece that won't allow the gear to come out. While prying on it I broke one, :cry: the one in the picture link is the one I didn't break.
https://www.dropbox.com/s/77sd3d37ee8sr ... .17.56.jpg

Hopefully someone sells them. I'm going make a long tool that fits in the axel for the new threaded piece I broke, if I can find one..

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64DartGT
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PostPosted: Thu Feb 28, 2013 8:15 pm 
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Looking at the Motor's shop manual that is the bearing adjuster. Yukon lists one for a 7.25 axle but no picture. Probably just call and ask them, also found a tool to remove them with and adjust the bearings with them.........

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DusterIdiot
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PostPosted: Thu Feb 28, 2013 8:18 pm 
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also found a tool to remove them with and adjust the bearings with them.........
For us old timers we call that a C-body torsion bar...junkyard $5...
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64DartGT
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PostPosted: Thu Feb 28, 2013 8:36 pm 
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That sounds better and at an affordable price....... :lol:

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Charrlie_S
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PostPosted: Fri Mar 01, 2013 4:33 am 
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Took bolts out and Axels now slide out out now but still can't get gear out?.
https://www.dropbox.com/s/zvziwl7m8k5au ... .53.44.jpg
I don't see any other clips.
I'm a little late with this post, but for others, info.
After you remove the axles, you need to insert the special tool ("C" body axle, or if not available, weld a large nut(don't remember the size) onto a long piece of metal rod) and loosen the carier bearing adjusters. Then the ring gear carier can be removed.
PS: Not all 7 1/4s have the threaded adjusters, some used shims. For these you need a "carrier spreader".

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DusterIdiot
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PostPosted: Fri Mar 01, 2013 8:28 am 
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weld a large nut(don't remember the size
1 7/16"

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64DartGT
PostPosted: Fri Mar 01, 2013 10:22 am 
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http://www.youtube.com/watch?v=eD0CEyapQK4 good video on rear axle service and repair.......

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WagonsRcool
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PostPosted: Fri Mar 01, 2013 2:53 pm 
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Sounds like a factory service manual would be a good investment. I'd also look around Randy's Ring & Pinion site- in the Downloads/Technical- Yukon Installation instruction pdf. Side question, did you mark the location of the bearing caps?

If you want to install new gears in your axle, you need to be able to (press) remove & install new bearings for the pinion gear (& the diff carrier). I don't want to come off as harsh or critical, but are you sure you want to continue with this? It's possible for a handy guy to do this- you need to follow the procedures EXACTLY.

You need some special tools & a fair bit of patience to do this. Otherwise it's very easy to put it all together & have noisy gears/bearings, or axle failure (ask me how I know). Whenever I set up a gearset, I take it over to my trans guy to doublecheck the mesh pattern.

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Super6er
PostPosted: Fri Mar 01, 2013 4:14 pm 
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http://www.youtube.com/watch?v=eD0CEyapQK4 good video on rear axle service and repair.......
Good info, I hard a time finding anything on the 7.25

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Super6er
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PostPosted: Fri Mar 01, 2013 4:25 pm 
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Sounds like a factory service manual would be a good investment. I'd also look around Randy's Ring & Pinion site- in the Downloads/Technical- Yukon Installation instruction pdf. Side question, did you mark the location of the bearing caps?
Ya my chilton manual did not have much info on the driveshaft section, so a service manual would have helped, and Yes marked the caps and took pictures just in case.

If you want to install new gears in your axle, you need to be able to (press) remove & install new bearings for the pinion gear (& the diff carrier). I don't want to come off as harsh or critical, but are you sure you want to continue with this? It's possible for a handy guy to do this- you need to follow the procedures EXACTLY.

You need some special tools & a fair bit of patience to do this. Otherwise it's very easy to put it all together & have noisy gears/bearings, or axle failure (ask me how I know). Whenever I set up a gearset, I take it over to my trans guy to doublecheck the mesh pattern.
Definitely going to continue, my cousin is a mechanic for the city and has a bearing press at his shop so that won't be an issue. I will have him double check my settings in the end. I'm pretty good with engines, but my first rodeo with changing gears in a 7.25
:roll:

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64DartGT
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PostPosted: Fri Mar 01, 2013 6:35 pm 
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Yeah the video is good seems the 9.25 and 7.25 are a lot a like or the video explains it that way in procedures for rebuilding........I don't recall who posted it but searching around on the forum you can become well informed on how to do things on your car......

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