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TC Output shaft... what is the rubber on the end?

Discussion in 'The Garage' started by BigCountryx, Jun 26, 2005.

  1. BigCountryx

    BigCountryx 1/2 ton status

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    Got my NP241 front yoke pulled to replace the output seal. While apart, I noticed a rubber gasket/bushing or something at the end of the splines that is quite worn. What is this, something to replace or is it a big deal? It looks like the yoke may squeeze it when torqued.
     
  2. Desert Rat

    Desert Rat Fetch the comfy chair

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    It may be RTV that the person who worked on it last put on the back side of the yoke.
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Was it splined just like the shaft?

    GM started using seals that fit on the end of the shafts at some point, new ones came with the gasket kit for my 205.
     
  4. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    It's a piece of rubber that gets squished when you bolt the yoke on to keep lube from leaking out through the threaded area.

    Pretty much every transfer case I've taken the yokes off has these, including the 1979 NP203 that came out of my K5.
     

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