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What is the circular thing at the bottom of the 14FF pumpkin, on the inside

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BowtieRed, Mar 20, 2003.

  1. BowtieRed

    BowtieRed 1/2 ton status Author

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    Title says it all- what is that?

    Oh, and are the axle shafts supposed to be magnetic near the splines?
     
  2. 85HeartBurb

    85HeartBurb 1/2 ton status

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    mine was a magnet... /forums/images/graemlins/usaflag.gif
     
  3. BowtieRed

    BowtieRed 1/2 ton status Author

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    mine WAS too- but i broke it in the removal process. I just made a theory- i think it is there to collect all debris from getting in the gears. but it's not in there now, maybe i'll put a HUGE magnet at the bottom of the pumpkin. maybe not.

    oh well, hope it wasn't important
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    You removed the magnet??? /forums/images/graemlins/1zhelp.gif

    Rene
     
  5. BowtieRed

    BowtieRed 1/2 ton status Author

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    it broke and fell out.
     
  6. 84_Chevy_K10

    84_Chevy_K10 Banned

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    If you'd seen what was on that magnet the first time I took my cover off my rear 10 bolt you wouldn't wonder what it was!!
     
  7. BowtieRed

    BowtieRed 1/2 ton status Author

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    i'll just buy a new one and weld it down, no biggie
     
  8. imiceman44

    imiceman44 1 ton status

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    [ QUOTE ]
    i'll just buy a new one and weld it down, no biggie

    [/ QUOTE ]

    Weld?
    A magnet?
    That would be silly...
    Mine was all dirty and I just removed it, cleaned all the shavings off of it, and then stuck it back.
    It's a magnet and if your pumpkin isn't plastic or aluminum it should just stay where you put it.
    /forums/images/graemlins/thumb.gif
     
  9. BowtieRed

    BowtieRed 1/2 ton status Author

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    ok, fine i'll just take one off the refrigerator /forums/images/graemlins/thumb.gif
     
  10. thatK30guy

    thatK30guy 1 ton status Premium Member

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    [ QUOTE ]
    i'll just buy a new one and weld it down, no biggie

    [/ QUOTE ]

    Well, not quite that simple. They are held down in place by epoxy glue rather than welding. /forums/images/graemlins/wink.gif
     
  11. BowtieRed

    BowtieRed 1/2 ton status Author

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    and somehow welding would be worse? explain your logic /forums/images/graemlins/confused.gif


    wait- the epoxy would be EASIER
     
  12. sled_dog

    sled_dog 1 ton status

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    you could probably demagnetize it with welding. All that electricity flowing through it I wouldn't be surprised. I know I have never seen a magnet welded onto anything. And yeah the first time I took my diff cover off the 10 bolt it was covered in shavings.
     
  13. BowtieRed

    BowtieRed 1/2 ton status Author

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    i'd be gas welding
     
  14. sled_dog

    sled_dog 1 ton status

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    why not just epoxy it? be a lot easier than welding, either wayyou have to clean the mating surface well.
     
  15. thatK30guy

    thatK30guy 1 ton status Premium Member

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    [ QUOTE ]
    and somehow welding would be worse? explain your logic /forums/images/graemlins/confused.gif


    wait- the epoxy would be EASIER

    [/ QUOTE ]

    I have never heard of welding a magnet. A magnet is a different type of metal.

    I have removed the magnet from quite a few rears when rebuilding them and they were all held in place from the factory by the epoxy glue. Gotta be a reason they used this type of glue from the factory when assembling these axles, you know. /forums/images/graemlins/rolleyes.gif /forums/images/graemlins/thumb.gif

    And yes, to make it EASIER on yourself, use the glue! /forums/images/graemlins/wink.gif
     
  16. BowtieRed

    BowtieRed 1/2 ton status Author

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    [ QUOTE ]
    A magnet is a different type of metal.

    [/ QUOTE ]

    Magnets are Iron or Nickel. No one knoes WHY they are magnetic exactly, but they not a different type of metal, they just different properties, welding (non-electical) does nothing except extend the poles. Glue will do, i'll find some kind of glue- don't know what type of magnet i'll use though.
     
  17. wrathORC

    wrathORC 1/2 ton status

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    It was a magnet. Probably a circular one with epoxy in the middle. GM seemed to only put them in once in a while. Of the 5 ten bolts I've had apart in the last year none of them have had one in them. Nor the 14FF I took apart.


    You can either find a new one and epoxy it or make a strap over it and weld it in. I, myself, suggest going and buying a bingo stick (those things with a magnet in them to retrieve the pieces) and tear it apart. You can usually find them for a buck or two. Just leave it in the bottom of the case. It's strong enough where it isn't going to move unless a spider gear hits it or some other kind of catastrophic carnage.


    Two things kill a magnet. Those are heat and cycling through magnetic fields. Ever notice how a starter never cranks as easy once you've cooked it? Yeap, that's why. Alternators don't have permanent magnets.


    A magnet is pretty simple. It's basically got atoms in it that are all aligned. Some materials will hold this alignment better than others and therefore create a more powerful magnetic field. GM has always been on the bleeding edge of practical strong magnets.


    Stupid electrical engineers anyway. Always making things more complicated than they need to be.
     
  18. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Even if the electricity wouldn't mess it up, you can't weld to the cast iron housing without special rod anyway.

    Edited to bold the text you apparently missed.
     
  19. BowtieRed

    BowtieRed 1/2 ton status Author

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    I COULD WELD TO THE HOUSING. . . .




    with the special rod.
     
  20. thatK30guy

    thatK30guy 1 ton status Premium Member

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    [ QUOTE ]
    I COULD WELD TO THE HOUSING. . . .




    with the special rod.

    [/ QUOTE ]

    /forums/images/graemlins/rolleyes.gif /forums/images/graemlins/tongue.gif
     

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