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Unread 09-09-2013, 03:07 PM   #1
bobert0670
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AMC 20 HUB Removal :brickwall

OK So I have gone through the rebuild stickies, and have not seen a good way to do this. How in the friggin world do you get the Hub off the axle shaft? I have tried pullers, and had them where I could not turn the screw any farther without a 4' section of pipe! I started to wonder if they are two piece, but judging from the axle sticking through with a castle nut I would have to say yes. Now I am not shy of using BFH's but I also don't want to break something due to my lack of knowledge on these. Any insight or shoudl I keep beating on it?

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Unread 09-09-2013, 03:12 PM   #2
jeepwhore
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Did you smack the end of the puller after it was tight, then re-tighten and repeat?
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Unread 09-09-2013, 03:12 PM   #3
bobert0670
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OK I found out that I need to get the 3 jaw puller. And as soon as I typed the post of course the next search revealed what I was looking for. I wish I could delete this! Yes Jeepwhore I did with the biggest BFH I have, didnt move a centimeter.
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Unread 09-09-2013, 03:12 PM   #4
Truck633
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Heat...

I have fought with plenty of these and heating the hub to get it to expand, while using the puller and a BFH, is usually the way they come off...
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Unread 09-09-2013, 04:40 PM   #5
skizriz
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I took mine to a place that works on big trucks. They put them in a 50 ton press and cranked on them until they went boom, literally sounded like a rifle shot.
Handed them a $20 and walked back out the door.

It's the only way to go IMHO.
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Unread 09-10-2013, 12:33 AM   #6
80cj
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You need one of these to get that hub off.
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Unread 09-10-2013, 08:55 AM   #7
MojoMark
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^make sure you get one of those that fits the lug pattern on the jeep. I borrowed one from Napa that was too small and that was the only one they had. I ended up using the neanderthal method to get my backing plate off (BFH, cutters, prybar). But I was putting in new axles
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Unread 09-10-2013, 10:12 AM   #8
CJ51973
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Quote:
Originally Posted by Truck633 View Post
Heat...

I have fought with plenty of these and heating the hub to get it to expand, while using the puller and a BFH, is usually the way they come off...
X2. cherry red, really big three jaw, air impact on the puller, 3 pound hammer, get the kid's back.
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Unread 09-10-2013, 10:28 AM   #9
keith460
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Yeah, you need to get the correct hub puller like the one 80cj has posted. Using a standard puller with the jaws behind the hub will likely bend the flanges of the hub and render it useless. A puller designed to be attached to the lug nut studs is what is needed.

If the hub has spun on the axle, as sometimes they do, be prepared to remove the axle from the four backing plate bolts and take it to a shop that has a 50 ton shop press. You will have to snip off the bearing gage that holds the bearing rollers in place in order to separate the backing plate from the axle.

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Unread 09-10-2013, 10:34 AM   #10
Blakescj7
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That sounds like a nightmare. I'm glad mine has one piece axles.
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Unread 09-10-2013, 11:37 AM   #11
LumpyGrits
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Quote:
Originally Posted by CJ51973 View Post
X2. cherry red, really big three jaw, air impact on the puller, 3 pound hammer, get the kid's back.
IF you heat to "cherry-red", you have just ruined the axle/hub heat treat and annealed(softened up)them both.
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Unread 09-10-2013, 02:55 PM   #12
redsduty
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I have removed several hubs with a piece of 1/2" plate steel. I drilled 1/2" holes in the same pattern as the wheel studs. Then punched out the wheel studs and lossened the axle nut until it is flush with the end of the axle shaft.

Bolt the plate against the axle nut through the stud holes with the largest bolts that fit and tighten evenly. Keep tightening the bolts and smack the center of the plate with a hammer until it pops loose. A little work to make the plate but it has worked good for me.
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Unread 09-10-2013, 03:14 PM   #13
CJ51973
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Yeah, I was converting to one piece shafts. The whole time I was thinking "you need one piece shafts because those two piece will spin on you". I think the axle would have fallen out of the Jeep first LOL
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Unread 09-10-2013, 03:45 PM   #14
Matt1981CJ7
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Quote:
Originally Posted by CJ51973 View Post
Yeah, I was converting to one piece shafts. The whole time I was thinking "you need one piece shafts because those two piece will spin on you". I think the axle would have fallen out of the Jeep first LOL
Yeah, I'm starting to wonder if the bad rap that the 2-piece axles have is due more to guys running tires that are way too large, and gearing that is way to low, than it is due to a bad axle design.

This mod seems like more trouble than it's worth for my purposes.

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Unread 09-10-2013, 03:51 PM   #15
LumpyGrits
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It's NOT!!........
The POS, 2-piece was dreamed up by AMC's 'bean-counters" and they had the last word.
The best 1 piece axle set up is Moser!
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