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front drive shaft binds with lift

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by kore0015, Mar 20, 2006.

  1. kore0015

    kore0015 Registered Member

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    I put on a 6" suspension lift on and now my front drive shaft binds.

    The lift included a transfer case drop. I had a hard banging as soon as I locked in the hubs, so I crawled underneath. The problem is on the transfer case side of the shaft. What I see is that the U-joint is banging into a pair of tabs on either side of the shaft. I was going to have a drive shaft place grind off the tabs, to see if that fixes it. Maybe I need a longer shaft or different style joints?

    I was just curious if anyone else had similar problems. I hadn't heard or seen any issues like this. I don't know. Still fairly new to the offroad/upgrade world.
     
  2. 88sub4x4

    88sub4x4 1/2 ton status

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    Just grind off the tabs. That should give you the proper clearance.
     
  3. cegusman

    cegusman 3/4 ton status

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    Why have a drive shaft place do it? Do it yourself
     
  4. Thunder

    Thunder 3/4 ton status

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    I am suprised the instructions with your lift kit didn't tell you where to grind the front joint. As said. Its a simple job Just grind enough off of them to get clearence you need.
     
  5. muddybuddy

    muddybuddy 3/4 ton status

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    i havent looked at my shaft recently, but where are the tabs that can be ground off?
     
  6. kore0015

    kore0015 Registered Member

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    The 2 tabs I'm talking about are on either side of the front drive shaft at the transfer case end right before the joint. If memory serves me they stick out about a quarter inch and are maybe half an inch wide.
     
  7. gmcjimmy4x4

    gmcjimmy4x4 1/2 ton status

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    I have a 6 lift on my jimmy and havnt had any poblems with the front driveshaft. I was thinking the other day though. Being a cv shaft, shouldnt the front axle be rolled up like the rear. Isnt that propper driveline geometry. But rolling it up would screw up your front steering and camber and caster angles.
     
  8. dleroy43

    dleroy43 1/2 ton status GMOTM Winner

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    get an angle grinder and grind them like this

    saginaw%20standard.jpg
     

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