cj5 1979 amc20 wtf - JeepForum.com
 
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post #1 of 5 Old 08-10-2020, 06:42 PM Thread Starter
rustbucketj10
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cj5 1979 amc20 wtf

hello, rear wheel started to smoke. thought it was brakes. installed all new brakes. still smoked. turns out the wheel bearing is disintegrated. its an original 2 piece axle. got new bearing pressed on. BUT. i didnt remove old seal and put new seal on top of old. Im guessing i need to remove old seal and put new seal on. also i didnt packed bearing but not a ton. I am going to tear it all apart and remove old seal and replace w new one and pack bearing better. IS THERE ANYTHING ELSE I NEED TO KNOW??? ANY ADVICE OR TIPS WOULD BE GREAT RELATED TO NEW BEARING AND SEALS.
thanks, david

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post #2 of 5 Old 08-10-2020, 08:36 PM
JEEPFELLER
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I (and others) have not had good luck reusing a two piece axle after replacing bearings and seals.

With two of my CJ-5s (twice) The marriage of the hub and shaft neither lasted two months before I "spun" them.

I was driving normal (No hot dogging!) I got by, by welding the shaft to the nut and the nut to the hub until I could buy a one piece set.

When it happened with the other Jeep, I did the same thing----that time----lesson learned----reinforced as I saw it happen to other folks.

Others may have other thoughts----My suggestion is to go ahead and get the one piece axles.

----JEEPFELLER
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post #3 of 5 Old 08-10-2020, 09:05 PM Thread Starter
rustbucketj10
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oh gosh! not what i wanted to hear but thanks. If i cont. with the two piece. the inner seal, does the spring face toward the differential and the flat back part toward the bearing? thanks again.

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post #4 of 5 Old 08-11-2020, 01:49 AM
BagusJeep
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The Axle Nut is extremely high torque. Get a long bar and stand on it. This forces the splines to make a nest in the hub.

If it starts to creak, check the torque again. When they creak they are wearing and fretting on that join.

You can get 30 -40 years on a 2 piece axle, they do not break every day.

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1981 CJ7 258ci - Bagusjeep
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post #5 of 5 Old 08-11-2020, 05:51 AM
jeepdaddy2000
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While not common, spinning an AMC20 hub does happen. new hubs are about 50-75 bucks and if you aren't looking to up grade to one piece axles but still need piece of mind, are a good investment (they are designed to have the splines cut on installation). Either way, it is imperative that the axle nut be torqued to a minimum of 250FT/LBS of torque.


You will need a special puller or a press for removing the old hub.


Inspect the drum and backing plate for any damage.



Insure to double check your end play on installation. The new bearings/seals may have changed it.

Paperwork will ruin any military force.
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