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How do you remove u-joint?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by JST12, May 9, 2001.

  1. JST12

    JST12 1/2 ton status

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    Ok what's the trick? I can't get the gul-durn thing out of the driveshaft. Do you take the clips off and press one cap in to push out the other side, or do both caps have to come off in opposite directions first? Any help would be....helpful.
    JT
     
  2. michaelm

    michaelm 1/2 ton status

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    first do they have clips? some are injection molded and you must use PROPANE plumbers torch to melt them out
    with clips, yup press one as far as i goes then beat it the other way until the main body comes out then knock the caps out. dont know if thats the prefered way but that is how it always turns out.
     
  3. 8_YOUR_H2

    8_YOUR_H2 1/2 ton status

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    Mine had c clips on the back side of the cup take them off, or take the outer clips off...or heat the plastic ones off...then use a socket larger than the cup on one end and one as big as the cup on the other end...put the whole thing in a vise and crank down on it it will push one cup almost all the way out..pull it off with a pair of pliers and repeat on the other sides..if this make no sense please disregard
    Brent
     
  4. JST12

    JST12 1/2 ton status

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    Thanks for the info. Mine has clips on the outside. I removed them and pressed a socket into the one side with a C clamp. I couldn't get the thing to budge. I'll put more force on it with a vise and heat it a bit with a torch. Just wanted to make sure I was doing it right. Thanks again. JT
     
  5. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    Take off the clips, and use a small sledgehammer with a drift. Use a vise and open it just big enough to let the cup fall through. It takes a lot more beating than you may think. But it will come out.
    John

    '83 GMC Jimmy 4x4 ZZ4 Crate Motor
    '84 Chevy P/U 4x4 Sand Drag Racer, 578 RWHP
    '94 Impala SS
    '01 Chevy 2500HD w/8.1L & Allsion Auto
     
  6. RedDwarf

    RedDwarf 1/2 ton status

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    I just removed one from an axle shaft that had a slightly bent yoke. It was very difficult, like you described. I have done them before, and ideally, a vice or small hammer should take them out. However, the bent yoke required the use of a hydraullic press. After the old joint was pressed out, I had to re-square the yoke with a belt sander so that the c-clips could go back in. Careful, though, don't grind too much.
    Good luck, hope it works out for you.
     
  7. CrazeeBush

    CrazeeBush 1/2 ton status

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    Had to beat the ever living crap out of mine to get them out. Not hard though. Had those nylon inserts toched 'em, and then put these in with the C-clips.

    -JoSH
    crazeebush@aol.com
    <A target="_blank" HREF=http://josh.coloradok5.com>http://josh.coloradok5.com</A>
     
  8. michaelm

    michaelm 1/2 ton status

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    i forgot to mention, run only Dana or Spicer u joints.
     
  9. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    Buy a C-frame/u-joint press from Harbor Freight. After that you can change them all day long. Quick & easy, the amount of trouble it saves make it more than worth it. I used to do the hammer/socket/vise thing, now there is no way I will do it like that. I even take it on the trail with me.

    Jim '80 GMC
    Freedom First!
    <A target="_blank" HREF=http://www.bigjbear.coloradok5.com>http://www.bigjbear.coloradok5.com</A>
     
  10. Burt4x4

    Burt4x4 3/4 ton status

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    Hey bigjbear, is this what your talking about??
    [​IMG]

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <A target="_blank" HREF=http://www.burt4x4.coloradok5.com>http://www.burt4x4.coloradok5.com</A>
     
  11. Burt4x4

    Burt4x4 3/4 ton status

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    Or I think it may be this one..
    [​IMG]
    looks like a great "trail box" tool!!

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <A target="_blank" HREF=http://www.burt4x4.coloradok5.com>http://www.burt4x4.coloradok5.com</A>
     
  12. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    No, but the red one is close. The arbor presses they sell are probabaly too small. There is one with a large cast body and some adapters to do ball joints. I'll see if I can find a pic on line if not I'll scan one out of the catalog.

    Jim '80 GMC
    Freedom First!
    <A target="_blank" HREF=http://www.bigjbear.coloradok5.com>http://www.bigjbear.coloradok5.com</A>
     

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