transfer case rear output seal -
  • 1 Post By 1project2many
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post #1 of 7 Old 06-11-2019, 04:56 PM Thread Starter
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transfer case rear output seal

Just removed the leaky transfer case output seal today and there's a big difference in designs.....the old seal had a torn boot a few inches long that was full of sand goo.....the new one was just the seal, without the boot. I thought they did away with the boot part cause the old one was a dirt trap. Is the new one without a boot fine? or should I pull it and order a new booted one?

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post #2 of 7 Old 06-11-2019, 05:16 PM
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It was sideways.
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If it aint broke---fix it till it is
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post #3 of 7 Old 06-11-2019, 05:19 PM Thread Starter
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post #4 of 7 Old 06-11-2019, 05:35 PM
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You are probably ok.

If you cannot fix it with a hammer then it has to be an electrical problem.
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post #5 of 7 Old 06-11-2019, 08:22 PM
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There are two different seal designs for 231/232 family transfer cases. The aftermarket seems to love to supply the non-booted type and I agree that you will probably be OK with the one you have. I prefer the extra dust protection of the booted seal. If you need to replace yours with booted the National number is 4370N.
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post #6 of 7 Old 06-11-2019, 08:50 PM
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Often when the seal goes, it's because the bushing goes.
I replace both at the same time.

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post #7 of 7 Old 06-12-2019, 06:37 AM
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4 YJ's and not a single one had the boot. I replaced the seals with SYE's when they went

1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

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. It started with a $200 axle, and a few thousand dollars later I was done :)
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diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

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this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.
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