Posted by jd40an on January 15, 2013 at 20:24:44 from (208.126.157.188):
In Reply to: 7520 4wd trans posted by matthies on January 15, 2013 at 19:17:26:
I had to rebuild the upper shaft in my 7520 nearly 20 yrs ago. Yes, if I remember correctly, you split it between the trans housing & transfer case. Like other new gen tractors, you must remove the rockshaft housing & trans pump to move the upper shaft far enough back to lift the front of the upper shaft, with the syncronizers up & out. I also had to remove the front drive shaft to allow the 2 halves to roll apart. I blocked the front 1/2 under the hinge area & rolled the back half away with the rear part of a standard splitting stand. I took the complete upper shaft to my local JD dealer & had them rebuild the syncros, as I did not have the special tools to do this. If I remember right, I had over $1400 in my hands when I left the dealership.-- And this was 20yrs ago--no telling what it will cost now!!!!
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