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plasic injected u-joint replacement

Discussion in 'The Garage' started by bluboti, Apr 26, 2003.

  1. bluboti

    bluboti Registered Member

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    I'll be replacing 2 factory u-joints with the plastic retainers.Is the only way to take these apart to heat with a torch untill the plastic oozes out of the holes? Or can i just beat on them with a hammer untill the plasti shears and they come apart?
     
  2. heavy4x4

    heavy4x4 1/2 ton status

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    You really need to heat out that plastic. You can use a small propane torch though...you don't need an acetylene torch to do it.
    I'm pretty confident pounding won't bust them free - maybe a hydraulic press would, but melting out the plastic is so simple why bother.
     
  3. Twiz

    Twiz 1/2 ton status

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    I've heard people pounding them out. But I wouldn't.

    Heat 'em up.
    Be carefull, they like to pop some.
     
  4. Corey 78K5

    Corey 78K5 1 ton status

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    Another vote for heat.
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    Yeah, hydraulic press will do it. Never tried heating them.
     
  6. bluboti

    bluboti Registered Member

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    Thanks guys.I think my next step will be to see if i can afford oxy/acteline or go cheap and get a propane/oxy or mapp/oxy rig, for future jobs around house or k5.
     
  7. heavy4x4

    heavy4x4 1/2 ton status

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    Go to your local ACE hardware. $10 later, you'll have a small propane torch kit; complete with tank, torch nozzle, and trigger sparker. /forums/images/graemlins/thumb.gif That'll do just fine purging out the plastic. Good thing to have around the house for the various plumbing fixes you'll need to make. /forums/images/graemlins/laugh.gif
     
  8. sunshineoffroad

    sunshineoffroad Registered Member

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    Careful with the heat. When I did mine, one cap blew off and nailed me in the forhead. Not only did I havea nice circular redmark, my face got peppered with needle bearings, and hot grease. It sucked. /forums/images/graemlins/grin.gif
     
  9. heavy4x4

    heavy4x4 1/2 ton status

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    /forums/images/graemlins/shocked.gifOh man, that must have sucked. Never heard of a whole cap popping off. I had to pound on mine a bit even after the plastic was purged out.
    But yes, BE CAREFUL, the plastic does like to pop (like someone said earlier), so keep skin away, and wear some eye protection.
     
  10. m j

    m j 1/2 ton status

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    plumber's torch is more then enough
     
  11. bluboti

    bluboti Registered Member

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    I think along with the heat needed to seperate the u-joint, i'm trying to do some small fabricating cutting/welding thats why im exploring the oxygen along with the propane or mapp gas.
     

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