matt_w Posted June 25, 2009 Share Posted June 25, 2009 I am currently rebuilding the halfshafts for my 240z (new ujoints, replacing the boots, re-greasing the innards). I can't seem to figure out how to get the little ball bearings and spacers back in properly so that the axle extends and contracts to its proper ranges. Has anyone done this that would be willing to share some tips? Quote Link to comment Share on other sites More sharing options...
Lazeum Posted June 25, 2009 Share Posted June 25, 2009 When I've done mine, I put a lot of grease to hold balls in the grooves. The trick for me was to use the flat washer to push on the 4 rows of balls at the same time when pressing the shaft back into the housing. With gentle up and down motion, I've been able to slide everything back in. Hope that helps Oooh and you'll need some patience too!!! Quote Link to comment Share on other sites More sharing options...
matt_w Posted June 25, 2009 Author Share Posted June 25, 2009 That's kind of what I was trying, but it kept ending up where the washer would be just slightly too high so that the snap ring wouldn't fit back in. Do you have the cross-shaped washer and other snap ring installed on the end of the shaft before sliding it in? Quote Link to comment Share on other sites More sharing options...
Lazeum Posted June 26, 2009 Share Posted June 26, 2009 You just need to try harder/longer. There's no other tip so far, you'll need patience, try to push quickly to slide everything in. As soon as the washer in under the groove, you just have to snap the o-ring back in. Quote Link to comment Share on other sites More sharing options...
TimG Posted June 27, 2009 Share Posted June 27, 2009 I had a heck of a time as well.I ended up using a bicycle spoke to push each ball and spacer down as far as they would go into the shaft. Quote Link to comment Share on other sites More sharing options...
Lazeum Posted June 27, 2009 Share Posted June 27, 2009 One other tip if you did not do it. Don't be shy with grease! When I did mine, grease was everywhere, I've used nitrile gloves (5 pairs maybe for the 2 halfshafts) Quote Link to comment Share on other sites More sharing options...
matt_w Posted June 27, 2009 Author Share Posted June 27, 2009 Just got mine together...there is a trick! I put 2 balls and 2 spacers on each rail in the housing at the top (after installing the washer and snapring in the housing, then slid in the shaft all the way through. When it came out the other side, I put an additional ball and spacer on each rail and added the cross-shaped washer and snap ring, then pulled it back out. Worked first try, and it extends and contracts fully! Quote Link to comment Share on other sites More sharing options...
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