Diff hot after spider replacement - JeepForum.com

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post #1 of 3 Old 04-12-2007, 07:49 AM Thread Starter
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1988 YJ Wrangler 
Join Date: Mar 2004
Location: Chesterfield VA
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Diff hot after spider replacement

Replaced chewed up spiders, now have a gurgle/vibe noise coming from the dif, (only when carried spinning)and It's hot after a 20-30 min drive.
I broke 4 teeth off the left spider/axle gear.

I pulled used spiders and left spider/axle gear froma 35 at the boneyard. My right spider/axle gear was ok so I left it in. I used the new to me center spiders because they were in better shape than my old ones. All works fine, but it is noisy and is getting hot on the diff cover. Not hot enough so you can't touch it, but warmer than I think it should be.

So last night took it all apart again to ensure I had the carrier in straight and flush. It's good. But had a mark on the diff cover where the ring gear seems to be making contact, not much but the mark is definately there. Also had a good amount of the "glitter" flakes come out with the fluid.

So I cleaned it all out again and put it all back together. Same thing.... Any ideas? I'm using black RTV form a gasket with seems soupier than the other RTV gasket stuff. I let it set up for about an hour before I put the cover on, but it's still soupy. Is the clearance that tight? My carrier is bolted up as snug as it gets.

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post #2 of 3 Old 04-12-2007, 09:35 AM
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If the ring gear is contacting the diff cover then either the cover is dented, or the carrier is not installed properly.

'96 XJ 4.0 AW4, 3" Homebrew lift, homebuilt tree felling bumper, warn x-case skid, roof mounted spare and hi-lift, lots of custom bent sheetmetal.
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post #3 of 3 Old 04-12-2007, 09:52 AM Thread Starter
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1988 YJ Wrangler 
Join Date: Mar 2004
Location: Chesterfield VA
Posts: 2,110
Thanks, yeah, after reading through Randy's Ring and Pinion faq's it looks like it's bearings, not the ring gear, must have been an old scratch.

I guess I've got some dirt/crap on them when I did the spiders.

Time to pull it all out again tonight and clean it good, then try again...
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