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Tranny instal tips

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Goose, Mar 17, 2006.

  1. Goose

    Goose 1/2 ton status

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    I'm gonna be taking out the th400/np208 combo and putting in a sm465/np205 in the near future. I have some oil leaks som I plan on replacing the rear main and pan gaskets in the process. Any tips or tricks to make this easier??

    thanks

    oh, and I'll eat my Wheaties the morning of.
     
  2. 8_YOUR_H2

    8_YOUR_H2 1/2 ton status

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    Get a *real* transmission jack. You won't regret it. Some hardware stores even rent them.
     
  3. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    i agree, get a tranny jack.
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    The alternative is an engine hoist, through the tranny tunnel hole...

    Rene
     
  5. Goose

    Goose 1/2 ton status

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    Okay, found a tranny jack adapter. You take off the part of your floor jack that contacts the vehicle and replace it with a bracket with chain on it. At $60 I may get it if I can figure out how to hide it from the woman. :)
     
  6. ryanstrucking

    ryanstrucking 1/2 ton status GMOTM Winner

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    Just tell your woman you bought it on Ebay for $20.:D
    Works for me all the time........:haha:
     
  7. G-Force8

    G-Force8 1/2 ton status

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  8. Kyburbn

    Kyburbn Registered Member

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    It may sound dumb, but back when I had the BIGBURB I changed the tranny out twice and did it myself. Having 12 inches of lift sucked those days, but instead of a tranny jack I took my 2 /12 ton floor jack and took the little round contact piece off.....made a piece that bolted onto that hole (it looked sort of like an "H" to hold the tranny pan area) and then I strapped the tranny onto it so it wouldn't move. It worked like a charm. Don't ask how I dealt with the 12 inches of lift! OSHA would be knocking on my front door!
     
  9. spin2win

    spin2win Registered Member

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    If you have trannie jack, pull the trans and the transfer case as one unit. Much easier to seperate them when the whole thing is out from under the truck, IMO.

    You can rent trannie jacks for pretty cheap. I think I got one for the day for $35. Hard to say "no" to buying tools... but there are some things I just don't "need".
     
  10. Goose

    Goose 1/2 ton status

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    Hmm, rent or buy.....tough choice. Or fab my own adapter.
    Wish I had a welder, may have to borrow one.
     
  11. MA87K5

    MA87K5 1/2 ton status

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    When I removed my 700r4 to rebuild it I removed the transfer case first. Mush easier to handle small heavy parts then to mess with a big bulky very heavy peice. Found that out the hard way.
     

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