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x-fer case speedo leak

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by 71 Blazer, Mar 12, 2006.

  1. 71 Blazer

    71 Blazer 1/2 ton status

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    my transfer case is leaking at the speedometer. I went to GM for a new seal. I put it in just like the old on it still leaked. Where on that shaft does the seal go? All the way back? I asked the GM guys but they didn't have any books on trucks that old. Am I missing a piece? All I have is a shaft with a gear on it, a seal and the nut piece that screws into the transfer case.
     
  2. BobK

    BobK 1/2 ton status

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  3. jaros44

    jaros44 1/2 ton status

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    Good advice, no I didn't know that!!!Thanks I will try to save that. Later J.
     
  4. 71 Blazer

    71 Blazer 1/2 ton status

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    Does that mean that I have to buy a new sleeve, or can I just get a new gasket?
     
  5. BobK

    BobK 1/2 ton status

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    Not sure if you can get just the gasket.I believe it's more than just a O-ring.
     
  6. 71 Blazer

    71 Blazer 1/2 ton status

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    I'm going to go to GM tomorrow and see what they can do for me. The part number to the sleeve should help. Thanks
     
  7. BobK

    BobK 1/2 ton status

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  8. 71 Blazer

    71 Blazer 1/2 ton status

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    I went to GM today and no one in my area has one in stock and its a special order. Does anyone know for certain that when you order the sleeve it comes with a seal? I just want to find out for sure before I order an item I can not return.
     
  9. BobK

    BobK 1/2 ton status

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    It's all one piece.
    You get the steel sleeve with the seal allready installed.
    That's how it came when I ordered mine anyway.
     
  10. 71 Blazer

    71 Blazer 1/2 ton status

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    Thanks a lot. That would explain why mine leaks. I think the PO just put some sort of seal in there.
     
  11. 71 Blazer

    71 Blazer 1/2 ton status

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    Thanks everyone for your help, I got that piece in the mail today and it is exactly what I needed.
     
  12. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Sometimes even my "simple tech writeup" seems to be the most appreciated!!

    It took me a long time to find that part, so I'm always glad when someone else can solve the same problem SO much more easily!! :thumb:

    If you need "tech" on how to remove the ignition tumbler and trim ring.....let me know, I've got that one perfected also. :haha:
     
  13. ecameron87

    ecameron87 1/2 ton status

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    I used Greg72's write-up as well. I had to order the part. At first I thought that this sleeve didn't fix the problem because it still leaked for two days after installing it. I found out that there was a lot of oil in the speedometer cable and the tiny gearbox and it was draining out. So you might want to clean those out and grease them properly
     

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