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Attached is the only information that the manual provided. Drveshafts are engaging, because turning one turns the other, but they are about 3/4" away from being fully in and no amount of turning and shoving helps. Hope someone out there knows what I am doing wrong.

Thanx, Alan

 
Rep Power: 244

It is probably getting caught on the set spring. Try turning it (1/5th increments) and pushing it in.

Not sure if it help but maybe put the trans in neutral.

 
Rep Power: 150

Did you see the snap retainer ring on the end of the old axle when you popped it out? Did you put the little ring on the axle yourself and did it appear correct diameter so it would go flush into the groove? I know when I pop them out, all it takes is a large screwdriver and the lever right out. You say 3/4" which is a lot. I doubt you even have the spline engaged and the snap ring is setting in the mouth. If I knew all was correct as far as correct ring, spline size and nothing in hole, I would bump it with a rubber mallet while holding it in. That will hold ring in below spline. With pressure on it, then you may have to turn it just a tad to align spline and it will shoot right in. Right now, I think ring is pushing it back and also only thing driving other side fooling you that spline is engaged.

 
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That (mostly?) worked, now on to the next problem. The passenger side seal is leaking really bad. Not sure if I didn't get that side all the way in or I have messed up the seal.

 
Rep Power: 150

Should be able to judge good side stand off as compared to leaking side. The seal area is a much larger diameter but you still need to keep it square till the spline is engaged when going back together. Sound like this job is kicking your butt..