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Front U-Joints?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by JeremyK5, Nov 13, 2001.

  1. JeremyK5

    JeremyK5 1/2 ton status Premium Member

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    I need to change the u-joints that are in my front axle and I need info on how to do it easily. It is a Dana 44 axle, and I already have that funny looking special socket with four (? I don't remember how many) prongs. A step by step would be nice if it wouldn't be too long for you. It looks like it's been a long time since they were changed. [​IMG]
     
  2. rock.monkey

    rock.monkey 1/2 ton status

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    The best thing you can do is get a repair manual for your truck......then just go from there.

    Bill Innes
    88' Jimmy

    Built for <font color=blue>Function</font color=blue> <font color=red>NOT</font color=red> <font color=blue>Fashion</font color=blue>
     
  3. 84_Chevy_K10

    84_Chevy_K10 Banned

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    A hydraulic press is the best way if they're really shotty. Mine were from a snow plow truck and nearly 20 years old, so I really am glad I didn't try to do it any other way.

    Here I go:

    Jack up
    Jackstands
    Remove front tires
    Remove cover from hubs (if manual, lock first)
    Remove all snap rings
    Remove hub
    remove first spindle nut with special socket
    remove washer
    remove second spindle nut with special socket
    remove rotor/hub assembly
    remove nuts that hold spindle/backing plateon
    remove backing plate
    use sledge hammer with a 4x4 in between it and the spindle, beat the crap out of it, and remove
    remove shafts
    remove snap rings
    press out old joints
    install new ones just like installing driveshaft u joints

    Installation is the reverse of the removal. If you have any more questions, post here. Nuts that old backing plate/spindle must be torqued correctly or you could have serious problems. Ditto on the wheel bearings, they must be adjusted properly.


    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  4. Executioner

    Executioner 1/2 ton status

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    Good post, what about the Disc Brakes ?
     
  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Calipers must have been optional in 84...[​IMG]

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  6. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Oops, sorry. Just forgot about that....no big deal, get out the 3/8" allen wrench and pull the two bolts and the calipers are off.

    Sorry guys, not like I was sitting there doing it, just trying to remember things.

    Obviously I've done this a few times...my truck's on its third front axle right now (none were broken, swapping ratios).

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  7. JeremyK5

    JeremyK5 1/2 ton status Premium Member

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    Thanks for the help, hopefully it will make this weekend's project go easier. Also, while I'm in there, how can I tell if I need to replace my wheel bearings while I have everthing out?
     
  8. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Look at them. If they look crappy, replace them. Replace the races with them while you're at it.

    You'll want to replace the seal behind the inner wheel bearing if you remove it, which will be necessary to inspect the inner wheel bearing or replace them.

    Races can be installed carefully with a drift punch.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     

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