Rear axle removal for long arm suspension - Rubicon Owners Forum
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post #1 of 16 (permalink) Old 03-31-2019, 04:59 PM Thread Starter
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Rear axle removal for long arm suspension

I finally got my rear axle
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post #2 of 16 (permalink) Old 03-31-2019, 05:15 PM Thread Starter
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I finally removed my rear axle on my jeep. I am installing an nth long arm kit. I did have a triangulated rear short arm kit from rock krawler. Check out the effect the Erie winter had on the axle bridge. I made a guide for drilling the rear lca mounts. I still have to remove the mounts on the frame, the drivers side has a bunch of wires and tubes i have to deal with. Here are some pics of my efforts.
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post #3 of 16 (permalink) Old 04-01-2019, 12:37 AM
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Holy rust batman!!!!!

My dogs name is Rubi
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post #4 of 16 (permalink) Old 04-01-2019, 05:43 AM
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That will buff out, lol.

Where did you find the nth kit?
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post #5 of 16 (permalink) Old 04-01-2019, 06:52 AM
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You may not care... but all that rust can be helped if you wanted to protect your jeep from the salt. Either find a shop that performs this service, or you yourself invest in a cheap spray gun and a 5 gallon pail (it will last you many years) of Fluid Film. Spray the undercarriage with it before winter and if possible mid way through winter. It will do wonders. It is not a paint, it is a biodegradable lubricant and is far from products like WD40, or any other general lube.

Here is a good source, but other deals can be had on Amazon.
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post #6 of 16 (permalink) Old 04-12-2019, 01:32 AM Thread Starter
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Hi, I finally made some time to work on my jeep project. I got the plasma cutter out and went to work on that rear "bridge" on my rear axle. It took some time and a few wet rags, but I was able to cut the majority of it off. Those pieces of molten steel are really hot! Now I am left with pieces of the bridge, 5/16 thick or so, remaining on the axle tube. I am looking at a lot of grinding now. Anyone have a better idea? I suppose carbon rod air gouging would be to uncontrollable and ruin the axle tube. I think I should remove the brake lines before I do anything. I have a 4 inch diamond cutting disk that I can cut closer before I get the 7 inch grinder going.

I had the nth kit for years just never installed it.

Ya, since I have a lift in the barn, I end up undercoating a number of vehicles every winter. That being said, I only used 1.5 buckets so far. I had the jeep since 07 and found out about fluid film a few years back. The winter here is why my jeep has a rhino lining paint job I applied soon as I bought it. I never did under it though.
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post #7 of 16 (permalink) Old 04-12-2019, 08:47 AM
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Quote:
Originally Posted by Chas View Post
....Now I am left with pieces of the bridge, 5/16 thick or so, remaining on the axle tube. I am looking at a lot of grinding now. Anyone have a better idea?....
You should have been able to get pretty close to the axle tube cutting that truss off with a plasma torch - grind away the stub. That's low tech but I can't think of any other practical options.

John - WB5THT
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post #8 of 16 (permalink) Old 04-12-2019, 11:15 PM
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Or just leave the metal stubs on the axle tube if they aren't in the way. Grind the edges to make them look a bit better.
That's what I did when I installed my Nth lift. I've got about 1/8th inch tall stub around the tube in places.
I think of them as "added reinforcing" and a good thing! lol
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post #9 of 16 (permalink) Old 04-14-2019, 02:18 AM Thread Starter
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Perhaps I need more practice and experience with the plasma cutter or maybe I should read what settings to use. I have a 60ish amp cutmaster. I basically turn it to max power with max airflow and use a standoff. I am sure if a guy who knew what he was doing could use a bit more finesse and get a bit closer. The real issue is that I need the axle tube to be relatively clean on the drivers side so that I can place the lower track bar mount make adjustments and weld it into place. Its just not happening as quickly as I envisioned. As it turns out, welding things together is quicker then unwelding things. Guess ill just take my time
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post #10 of 16 (permalink) Old 04-14-2019, 09:21 AM
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I think you can do gouging with the plasma torch - get some scrap steel and try it.

John - WB5THT
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