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rear driveshaft angle

Discussion in 'The Garage' started by jester, Jul 7, 2004.

  1. jester

    jester Registered Member

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    Location:
    Prineville, OR
    The Jimmy I aquired had a 4 inch lift put in it and I have been breaking U-joints on the rear driveshaft. I was told it is because my driveshaft angle is off and was not compensated (spelling?) for when they put the lift in. I was going to put some shims in it to make it the right angle, but what angle is it supposed to be at? Thanks!
     
  2. fad2blk99

    fad2blk99 1/2 ton status

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    I'm not sure what the normal operating angle is for a stock u-joint (though I'm sure there's a number floating around somewhere) ... but you're having trouble w/ only 4" of lift????
    Maybe you could lower the t-case and use a degree shim to tilt the pinion up a little bit (if you have done this already)
     
  3. jester

    jester Registered Member

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    Alright, I will try that, but how far should I lower the t-case? Thanks!
     
  4. ugly_blazer

    ugly_blazer 1/2 ton status

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    What was used to lift the back?
     
  5. highrider_44s

    highrider_44s 1/2 ton status

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    i assume you have just two u joints /forums/images/graemlins/dunno.gif
    you have to run them within 3* maby 4*if you had to
    the trick is to get both u joints at oppisite angles
    so if you have 2 down on the top make the bottom 2 up or whatever the angle works out to be /forums/images/graemlins/waytogo.gif
    do you get alot of vibration while driving /forums/images/graemlins/dunno.gif
    also might be a idea to get the driveshaft balanced /forums/images/graemlins/waytogo.gif
     

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