Gears & Axles - Ring Gear Binding Every 180 Degrees?
03-17-2006, 05:18 PM
I just had my posi break on my 10 bolt. So I bought another one (same style unit) and swapped it out. I used the same ring gear and shims from my old setup. When I torque the caps to 65ft'bs the ring and pinion seem to bind every 180 degrees rotation of the ring gear. I can still turn it past this point, but it is real tight. Anybody have any thoughts? I also tried to swap the shims from side to side in case I had them mixed up, but the same thing occured.
Are you certain you have all of the ring gear bolts torqued properly?
03-17-2006, 10:55 PM
Flange run out or debris under the ring gear when it was mounted...... might also have some pinion run out, but I bet its related to the ring side of things.
Take the ring off, wipe the flange clean. Install and check run out before and after you re-mount the ring gear to the differential.
03-18-2006, 07:33 AM
I went ahead and bolted the ring gear back on the old posi and installed it. The old posi had no bind. I then put the ring gear on the new used posi and it was binding again. I am going to install new bearings on the new one and see if this is the problem.
03-19-2006, 10:35 PM
sounds to me like the flange on the posi is out of tolerance.
bolt it in and find a dial indicator. This will tell you how much runout you have on the ring gear.
03-21-2006, 08:05 PM
Well I put new bearings on the carrier and reinstalled it with no problems. Can't explain how bearings would of caused the problem, but I guess anything is possible.
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