mjtjnj Posted July 29, 2011 Share Posted July 29, 2011 Out of town for a couple of days, put in some hard hours on replacing the coils, shocks, and endlinks on the MJ. On the driver's side, found that the upper ball joint seal had torn and separated. I cleaned it all up and re-greased. I did the ball joints about 7 years (40K miles) ago, I don't really feel like pressing out the ball joint again just yet. Any suggestions? I was thinking of gluing a piece of another seal in???? :ack: Luckily, it seems like the best place for a grease seal to go bad, there's not that much dirt up there in on-road driving...anyone think I should just bite the bullet and press out the joint? Uploaded with ImageShack.us Link to comment Share on other sites More sharing options...
comanche12 Posted July 29, 2011 Share Posted July 29, 2011 normal, most ball joint seals tend to be worn out but ball joint it self is fine. Important, try test the end play by wiggle your wheel. Same method with wheel bearing. :smart: just keep mainteance on it(grease it). don't put too much. Overdose greasing attratch dirts more. My opinion. edit: if no end play as abnormal, then your ball joints r O.K. Link to comment Share on other sites More sharing options...
86FUBAR Posted July 30, 2011 Share Posted July 30, 2011 If the ball joint checks out good , then get some new seals and stick them on and what ever you do don't get the cheap universal seals off the help shelf at the part store . Do your self a favor and measure the old seal and order a replacement from "energy suspension" , they are polyurethane and won't fall apart in a month like the cheap chines ones will Trust me! I have used the cheap ones before and they suck but the Polly ones are awsome , iv been using them for a couple years now at work and have tested them on everything from our trucks and tractors to the school busses . Link to comment Share on other sites More sharing options...
mjtjnj Posted July 30, 2011 Author Share Posted July 30, 2011 Yeah but how do I get the new seal on there?? Thanks Tom Link to comment Share on other sites More sharing options...
dfreeman616 Posted July 30, 2011 Share Posted July 30, 2011 remove the knuckle but leave the joints in place Link to comment Share on other sites More sharing options...
mjtjnj Posted August 1, 2011 Author Share Posted August 1, 2011 fun! :fs1: Searched through Energy Suspensions a bit and couldn't find anything specifically for the Jeep upper ball joint. Anyone have any part #s, even those of other manufacturers? Thanks Tom Link to comment Share on other sites More sharing options...
87Warrior Posted August 1, 2011 Share Posted August 1, 2011 http://www.harborfreight.com/3-4-quarte ... 99849.html This Ball Joint Separator made my life much easier when doing my TJs ball joints. It will drop the knuckle with little effort. Link to comment Share on other sites More sharing options...
mjtjnj Posted August 1, 2011 Author Share Posted August 1, 2011 OK, it's been too long since I've had the knuckle apart. How can I get the knuckle off, to put the dust boot back on, without removing ball joints? It's a Monday, but I'm slow everyday. Also, trying to order one from Daystar, they wouldn't just sell me one for a Cherokee, they sent me this diagram, and I'm out of town. Anyone know these measurements? What a hassle. Thanks for reading along....Tom :nuts: Uploaded with ImageShack.us Link to comment Share on other sites More sharing options...
87Warrior Posted August 1, 2011 Share Posted August 1, 2011 The knuckle is held in place by the taper of the ball joint stud and castle nut. Remove castle nuts from upper and lower ball joints, then drop the knuckle. You will end up with this: (ball joints still pressed into the 'C' with knuckle removed) Link to comment Share on other sites More sharing options...
mjtjnj Posted August 2, 2011 Author Share Posted August 2, 2011 Thanks! Been too long since I winged it the first time! :cheers: Link to comment Share on other sites More sharing options...
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