Foedoe

Any input would help me a whole lot. First time installing diff and gears.

Drive

Coast

TheDirtman

looks like you need to take a little shim out of the pinion.

Foedoe

I'll give that a try. When adding and subtracting shim, do you take a little at a time? Like .005 or .010?

resharp001

I'm not the resident gear expert, but when dealing with shims measured to the thousandth, .010 is a huge jump. .005 seems like a more realistic amount to change by, reinstall, repaint, and reassess. I'd definitely defer to Dirtman or someone else with more experience in regearing though.

Foedoe

Ok, so I took out .005 shim out of the pinion and have .005 of backlash and got this... I can't seem to get it right.

TheDirtman

Keep playing with it. You got to be patient.

YukonBlu

jtphoto JK

You will seldom get a perfect pattern on both drive and coast at the same time. I would prefer your first try to your last. You can download the Yukon Gears installation guide that gives you a good idea of all the acceptable patterns.
As you can see by pulling shims from the pinion your pattern is out toward the end of the teeth. You were better off where you had it.

TheDirtman

I agree the first one looks better, put the pinion shim back in and move the ring gear closer to the pinion gear to get the gear mesh a bit deeper.

Foedoe

This is the absolute best (as far as centering the drive side) I can get it at .064 pinion shim and .006 backlash. I went all the way to .070 on pinion and as low as .025, playing with the backlash from the right side at .005 and as far as
.007-8ish. Would this pattern suffice and last? Any help will be well appreciated.