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Manual locking hubs on 1987 3/4-ton Suburban

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by airheadpilot, Aug 23, 2004.

  1. airheadpilot

    airheadpilot Registered Member

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    My apologies for the naivety of my post - I'm mechanically savvy and active in the motorcycle world, but I just recently acquired my first Burb and I'm slowly learning the joys of 4x4 maintenance.

    Today's question: My automatic locking are broken (the PO actually removed most of the internals) and thus I can't engage 4wd. I'd like to install new manually locking hubs and would like some guidance. I presume Warn hubs are the way to go? What is the best source? Is it a simple swap, or do I need a special conversion kit? Easy or difficult job? Any special tools? My truck is a 1987 GMC Suburban 2500 with the 350 TBI engine and 3-speed transmission. I presume that means that the front axle is the Dana 60, but I don't know that for a fact.

    Thanks!

    Andrew in Belmont, CA
     
  2. POWERMAD

    POWERMAD 1/2 ton status

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    Your front axle is a 10 bolt.
    Just remove the auto hubs and install a set of locking ones.
    I haven't had much luck with warn hubs, I will prolly get a set of Mile Marker lockouts for my next set.
    A pick, small set of snap ring pliers and a torx bit is all that is usualy needed to replace hubs.
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Factory Spicer Manual Hubs work well IMO, and if you like wrecking yard searching, would be the way to go. /forums/images/graemlins/smile.gif
     
  4. 88sub4x4

    88sub4x4 1/2 ton status

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    I'd say if you go new try the milemarker supreme's with stainless jacket. I have used these on two different trucks for over four years. They work great and are easy to turn.
     
  5. jwduke

    jwduke 1/2 ton status

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    Check Ebay, you can buy some Warn premiums on there really reasonable. In fact I have a set i'll sell you for $40 + the ride.
     
  6. jon v

    jon v Registered Member

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    I've found Superwinch hubs to be very good.
     
  7. smprider112

    smprider112 1/2 ton status

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    [ QUOTE ]
    Check Ebay, you can buy some Warn premiums on there really reasonable. In fact I have a set i'll sell you for $40 + the ride.

    [/ QUOTE ]

    I'll take em!! are they new?
     
  8. airheadpilot

    airheadpilot Registered Member

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    Thanks all. I ended up going with the Mile Marker stainless steel premium hubs. Very easy to install and a real quality product. I was a little concerned initially when I reached down to feel them and found them to be quite hot to the touch. However, after feeling them each time I stopped I noticed that they were cool if I had been doing lots of freeway driving with minimal braking, and hot if I had been around town or going downhill on a twisty road where I need my brakes a lot. Figure that it's the brake heat from the rotors being transmitted through the hubs to the lockers. Never so hot that I can't stand to touch them, so I'm sure it's okay. Thanks for the advice all - I'm off-road capable once again!

    Regards,

    Andrew /forums/images/graemlins/burb.gif
     

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