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rear lower ball joint nut

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Old May 22, 2013 | 10:19 PM
  #1  
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Default rear lower ball joint nut

In the process of replacing the rear bearings i need to get the ball joint disconnected. Can't get the nut off and during the process the allen in the center has stripped. to add to the nightmare the threads are corroded. been soaking it with pb. Can't even crank the nut back tight.
Any ideas, I'm ready to cut the ball joint off.
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Old May 23, 2013 | 02:36 AM
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Originally Posted by Rex Ruby
In the process of replacing the rear bearings i need to get the ball joint disconnected. Can't get the nut off and during the process the allen in the center has stripped. to add to the nightmare the threads are corroded. been soaking it with pb. Can't even crank the nut back tight.
Any ideas, I'm ready to cut the ball joint off.
Have you tried jamming the next sized Allen key into it to see if it will hold while you crank on the nut ?
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Old May 23, 2013 | 07:33 AM
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Originally Posted by SG Lou
Have you tried jamming the next sized Allen key into it to see if it will hold while you crank on the nut ?
yes
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Old May 23, 2013 | 08:54 AM
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Heat up the nut until it's red and then use an impact to get it off? Impact will turn so much faster that usually does it for me when I have issues.
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Old May 23, 2013 | 12:10 PM
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Just get a nut splitter and split the nut, the ball joint is toast anyway, so your project just got a little bigger.
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Old May 23, 2013 | 05:45 PM
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Originally Posted by corvettebob1
Just get a nut splitter and split the nut, the ball joint is toast anyway, so your project just got a little bigger.
Why would you say the ball joint is toast?
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Old May 23, 2013 | 06:20 PM
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Originally Posted by Rex Ruby
Why would you say the ball joint is toast?
Well, how will you tighten the new nut back on the old ball joint stud if the allen center is stripped? Seems like you are asking to deal with the same issue all over again the next time.
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Old May 23, 2013 | 06:36 PM
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Try this. Put your jack under the lower A-arm right under the ball joint and raise it until it's starting to lift the arm. Put a ratchet strap over the spindle down to the jack and snug it up. A chain or anything else similar will also work. Tighten the strap and lift the jack until you're wedging the ball joint back into the arm enough the taper holds the ball joint from spinning. Take your nut off.

You could also possibly just put a ratchet strap around the spindle and ball joint and ratchet it down enough to do the same thing. A small chain works well because it won't give and lifting the jack will easily put enough pressure into the ball joint that it holds.

Last edited by lionelhutz; May 23, 2013 at 06:39 PM.
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Old May 24, 2013 | 12:40 PM
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Thanks for the suggestions.
Ended up cutting the nut off with a sawzall.
Hope the other side isn't a similar nightmare!
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Old May 24, 2013 | 12:45 PM
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Before you take the nut off,,, buff off the stud with a wire brush and remove all the rust,dirt/corrosion/scale and them heat up the NUT with a torch. Quench it with penetrating oil and it should come off a lot easier.

Bill
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Old May 24, 2013 | 03:40 PM
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Originally Posted by Bill Curlee
Before you take the nut off,,, buff off the stud with a wire brush and remove all the rust,dirt/corrosion/scale and them heat up the NUT with a torch. Quench it with penetrating oil and it should come off a lot easier.

Bill
Will do, thanks Bill
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