Pinion nut tightened on its own?
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Pinion nut tightened on its own?
So I am in the process of doing a trail gear 4 inch spring swap to my truck.
https://www.yotatech.com/forums/f116/rear-lift-165376/
I noticed that my pinion flange was much harder to turn. I thought it might be because its in the axle and I have a locker but it just doesnt seem right. I have a hard time even moving it to feel back lack. Upon further inspection i noticed that the nut had moved. The place where you deform the nut into the notch on the pinion was not where it was before. I would appear that it tightened itself up. I know I had it where it should be or darn close when I put the gears in Last year labor day weekend. Has anyone heard of this happening and what should I do. Just back of some on the nut. I dont really want to completely disassemble everything.
https://www.yotatech.com/forums/f116/rear-lift-165376/
I noticed that my pinion flange was much harder to turn. I thought it might be because its in the axle and I have a locker but it just doesnt seem right. I have a hard time even moving it to feel back lack. Upon further inspection i noticed that the nut had moved. The place where you deform the nut into the notch on the pinion was not where it was before. I would appear that it tightened itself up. I know I had it where it should be or darn close when I put the gears in Last year labor day weekend. Has anyone heard of this happening and what should I do. Just back of some on the nut. I dont really want to completely disassemble everything.
Last edited by saitotiktmdog; 04-08-2009 at 05:59 AM.
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Is it a solid spacer rear end or a crush sleeve ?
Solid spacer, bring it back to torque and re-stake the nut + red locktight.
Crush sleeve, tear it down, check your setup and install a solid spacer.
Just my .02
Solid spacer, bring it back to torque and re-stake the nut + red locktight.
Crush sleeve, tear it down, check your setup and install a solid spacer.
Just my .02
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Ok my guess you hit the pinion flange or driveshaft enough to cause the crush sleeve to give a little, and then the nut followed.
Good luck with the loosening thing.
BTW. In my opinion your gonna run into alot of problems with a lunchbox and 35's.
Good luck with the loosening thing.
BTW. In my opinion your gonna run into alot of problems with a lunchbox and 35's.
Last edited by 86toylet; 04-08-2009 at 07:12 PM.
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If it's a solid spacer, the shims are there to adjust the bearing preload. Torque on the nut has nothing to do with it (unless you start stretching the pinion while tightening the nut ) When I rebuilt my 3rd on the '93 I used to have, I used a solid spacer with the correct shims, and torqued the pinion nut to approx 200ft-lb with red lock-tight.
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Last friday I went ahead and pulled the diff out of the axle. it was a fairly quick job since the axle was out of the truck anyways. It wasn't the crush sleeve thankfully. The backlash was non existant. Im glad I took it apart. I had it set when I put it together but it changed somehow. Has anyone heard of this happening. I think I remember hearing that one of the drawback of the toyota diff since it does not use shims is that the backlash can somtimes get out of adjustment but I am not sure. Anyways problem solved.
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If you left good carrier bearing preload, put the locking tabs back in place on the carrier adjusters, and had the inner pinion bearing and race seated tightly in place when you set up your gears, your backlash should not have changed.
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Yeah. Im not sure why it changed. Its possible I made a mistake when i put it together the first time. It was my first time doing gears. Luckily I caught it before too long.
#11
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yes this has happend to me too many times, I blame it on hard core wheeling and poor preload setups.
This is the reason it should of been hard to turn freely:
This is the reason it should of been hard to turn freely:
#15
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While wheeling in the most hardcore trail at Elbe Hills the "Busy Wild" I lost.
WHY? I exteded my front DS with with some random pipe in my scrap steel bucket, utilizing the stock 7" slip yoke. With my frame on jack stands and letting the SFA fall to full droop the DS would fall apart, there just was not enough slip, i could not extend it more in any way I needed the splines to be longer.
I went wheeling anyways and broke stuff
sqaure shaft FTW
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