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Old June 26th, 2012, 05:38 PM   #21
llxRanger
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OK. Removed rear diff cover. Other then being a bit milky i didnt notice anything out of the ordinary. So I proceded to Jack up the passenger side. When I did that I noticed a lot of play in the wheel. I removed the tire and drum assembly. The inner part of the drum has no teeth and the outter axle is almost bald as well. Could this be the issue and if so where do I go from here. I have pictures but no computer. If someone wants me to text the photos and can upload thar would be great. 352 702 8247
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Old June 26th, 2012, 06:13 PM   #22
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Here are you pictures.




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Old June 26th, 2012, 06:14 PM   #23
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Thank you Carbon.
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Old June 26th, 2012, 06:14 PM   #24
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Axles splines look wasted. Axles, spiders and carrier bearings need to be replaced. Ring gear looks ok. Once you pull that all apart you can check your pinion and pinion bearing. Totally rebuild able.

Last edited by Carbon; June 26th, 2012 at 06:18 PM.
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Old June 26th, 2012, 06:27 PM   #25
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If you plan on keeping it for awhile might as well get one piece axles. Looks like you spun the flange on the two piece axle.
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Old June 26th, 2012, 07:34 PM   #26
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Old June 26th, 2012, 07:38 PM   #27
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You should have seen my disaster. I was heading back from picking up my jeep when I bought it. 300 mile drive with a nasty sound coming from the front diff. The pinion snapped and grenaded my whole diff. Thats the short side of the story.
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Old June 26th, 2012, 08:19 PM   #28
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So is that the pinion that's broke?
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Old June 26th, 2012, 09:48 PM   #29
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No it doesn't look like your pinion is bad. Although I am curious about the two metal pieces in the middle of your spiders by your pin. Can you pull those pieces out?
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Old June 27th, 2012, 08:16 AM   #30
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There is two pins one vertical one horizontal and the horizontal one is broken
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Old June 27th, 2012, 08:52 AM   #31
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That horizontal pin has to do with the preload on the axle bearings.
You spun the splines on a two piece axle shaft.
Those splines hold the flange (hub) to the axle.
Without the splines, the axle shaft will just spin inside the hub, not driveing the tire.
Without a locker, all power will go to that side axle shaft.
Meaning you have no drive at that end of the vehicle.
Your gears look fine, and the bearings should be too.
After market one piece axle kits will replace both left and right axles and bearings for about $225 from 4Wheel Driver Hardware.
I believe that will also eliminate the broken horizontal shaft, because the new bearings are a different style and don't need it.
Flush out all that milky fluid, fill it with some fresh gear oil and enjoy your new Jeep.
Welcome to the Wheeling World.
Do not waste money trying to replace that shaft with another two piece axle.
I know everyone has opinions but I'm positive everyone would agree that unless you were restoring a CJ to stock, you would not want to reinstall two piece shafts once you have problems.

Last edited by Offroadian; June 27th, 2012 at 08:57 AM.
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Old June 27th, 2012, 08:58 AM   #32
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Why is there 2 pins?
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Old June 27th, 2012, 09:21 AM   #33
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The vertical pin in your picture is the cross pin that holds the spider gears in place.
The pinion gear is what the driveshaft is bolted to. In your pics, the carrier holds all those small gears. Look past it to the front of the ring gear. You'll see the pinion gear.
It's spiral looking. The pinion turns the ring gear. The ring gear is bolted to the carrier, so when the ring gear turns, so does the carrier. That vertical pin passes through the two spider gears and the ends are stuck in two holes of the carrier. When the carrier rotates it takes the pin around and the spider gears with it. The spiders are engaged with the side gears that are splined onto the inner end of the axle shaft, making the connection complete from drive shaft to axle shaft.
The horizontal shaft is there to hold the axle shafts outward. The AMC 20 axle bearings are strange in that it's a tapered bearing with the race out board of the bearing, with thin tin like shims under the axle retainer plate. the bearing is pressed onto the axle and that pin holds the axle outward to keep the bearing in the race.
After market one piece shafts are set up much simpler and eliminate all that mess and are stronger.
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Old June 27th, 2012, 12:04 PM   #34
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This will help.

http://archive.org/details/Aroundth1937
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Old June 27th, 2012, 12:48 PM   #35
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Quote:
Originally Posted by Offroadian View Post
That horizontal pin has to do with the preload on the axle bearings.
You spun the splines on a two piece axle shaft.
Those splines hold the flange (hub) to the axle.
Without the splines, the axle shaft will just spin inside the hub, not driveing the tire.
Without a locker, all power will go to that side axle shaft.
Meaning you have no drive at that end of the vehicle.
Your gears look fine, and the bearings should be too.
After market one piece axle kits will replace both left and right axles and bearings for about $225 from 4Wheel Driver Hardware.
I believe that will also eliminate the broken horizontal shaft, because the new bearings are a different style and don't need it.
Flush out all that milky fluid, fill it with some fresh gear oil and enjoy your new Jeep.
Welcome to the Wheeling World.
Do not waste money trying to replace that shaft with another two piece axle.
I know everyone has opinions but I'm positive everyone would agree that unless you were restoring a CJ to stock, you would not want to reinstall two piece shafts once you have problems.
First, this is great advice.

One thing that I would also double check is the breather. Frequently when you have "milky" fluid, water is getting into the housing, and the most common cause is a loose breather vent.

I would also stress Offroadian's comment of flush it out. Whenever I have the axles and carrier out, I scrub the tubes with a bottle brush attached to old broomstick, because I know when I button it back up I won't be back in there for a long time.
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Old June 27th, 2012, 04:57 PM   #36
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im sorry guys but so buying the 1 piece axles I pretty much put those axles and plug in play like that? Ill put those in and it eliminates the broken parts?
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Old June 27th, 2012, 06:40 PM   #37
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http://www.eadoffroad.com/alloy-usa-...ion-wide-track

Found this kit? If you recommend another link me please.
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Old June 29th, 2012, 06:53 AM   #38
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Quote:
Originally Posted by llxRanger View Post
im sorry guys but so buying the 1 piece axles I pretty much put those axles and plug in play like that? Ill put those in and it eliminates the broken parts?
That's correct.
The one piece axle kit will get rid of all the broken stuff and leave you with a stronger setup.
4WD.com has the G2 axle kit for $225.99
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