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T-Case Seal (Pic) ***UPDATED NEW PICS***

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by dawson444, Mar 17, 2001.

  1. dawson444

    dawson444 1/2 ton status

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    I got a T case seal for my NP208 T-case, is this the right one? The guy at the parts store wasn't sure, surprise, surprise. Does this look right? OK, to install it, take out the driveshaft, and get some tool thingy and pull the old one out, put RTV sealant on seal, and put it in place, is that right? Also which end goes in first, the one with the gold ring or the other side? Thanks!
    [​IMG]
    [​IMG]

    Dawson
    Raleigh, NC

    88 K5, 4" lift, 33" BFG muds<P ID="edit"><FONT SIZE=-1>Edited by dawson444 on 03/19/01 04:10 PM (server time).</FONT></P>
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Re: T-Case Seal (Pic)

    You should have taken the old/bad one out first and then inspect it for the same part no. and diameter, etc.
    If it is the correct seal, it goes in with that spiral ring around the rubber part, inboard. That ring should not be showing outside of the pinion. In your pictures, the gold side would face outside. The opposite side goes in first.
     
  3. bigblue

    bigblue 1/2 ton status

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    Re: T-Case Seal (Pic)

    that looks exactly like the one i just got for mine.

    baja surf nazi -...A late storm NEVER comes...

    [​IMG]
     
  4. Highlander

    Highlander 1/2 ton status

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    Re: T-Case Seal (Pic)

    You did'nt say if was for the front output seal or the rear output. If for the rear output it does'nt look like the one that i just put in my 208 when i had to replace my tranny. Mine had lip on it, looking at your pic i did'nt see one. If this seal is for your rear output i'll see if i can find the part # that NAPA used Opps i got mine from GM for 15.00 because the NAPA store did'nt have it in stock they sell it for 4.75 or something. good luck Eric

    Lost? i'm not lost i'm just disorienated<P ID="edit"><FONT SIZE=-1>Edited by Highlander on 03/17/01 04:14 PM (server time).</FONT></P>
     
  5. BlazerGuy

    BlazerGuy 3/4 ton status

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    Re: T-Case Seal (Pic)

    My rear seal(NP208) doesn't look like that

    Murphy's Laws on Life :
    "Opportunity always knocks at the least opportune time." [​IMG]
     
  6. dawson444

    dawson444 1/2 ton status

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    Re: T-Case Seal (Pic)

    I got a new seal today from NAPA, do these pictures look better? The guy wasn't sure which size it was, so he sold me 2. I think it is the blue one though. The part numbers are 1-3639 and 1- 4118. The 3rd one in the picture is one from Advance Auto Parts. I don't think it is the right one. Do these look like the right ones? Should the flanged end go towards the inside or outside of the T case? Thanks!
    [​IMG]

    [​IMG]

    Dawson
    Raleigh, NC

    88 K5, 4" lift, 33" BFG muds
     
  7. BlazerGuy

    BlazerGuy 3/4 ton status

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    Re: T-Case Seal (Pic)

    Mine looks like the one on the far left. The flange goes on the outside

    Murphy's Laws on Life :
    "Opportunity always knocks at the least opportune time." [​IMG]
     
  8. SuperUnknown

    SuperUnknown 1/2 ton status

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    My rear output seal looks just like the one on the left.

    [​IMG]
     
  9. HarryH3

    HarryH3 1 ton status Author

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    Re: T-Case Seal (Pic)

    The flange won't fit into the hole, so it has to stay outside. [​IMG]

    <font color=black>HarryH3 - '75 K5</font color=black>
    <A target="_blank" HREF=http://ThunderTruck.ColoradoK5.com>http://ThunderTruck.ColoradoK5.com</A>
     
  10. Highlander

    Highlander 1/2 ton status

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    Re: T-Case Seal (Pic)

    Hey there Dawson, By your pic i would say the one on the left. Now i just called my NAPA store here in colo. the # i have is 1-8992 but he said the #1-4118 will also work for you good luck Eric

    Lost? i'm not lost i'm just disorienated
     
  11. Emmettology 101

    Emmettology 101 3/4 ton status

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    Re: T-Case Seal (Pic)

    The one in the center(red) looks like a pinion seal.

    Mike [​IMG]
    See <font color=green>EMMETT</font color=green> -&gt; <A target="_blank" HREF=http://emmett.coloradok5.com>http://emmett.coloradok5.com</A>
     

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