Rear Axle Bearing Help - Ford Powerstroke Diesel Forum
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Old 09-11-2012, 01:52 PM
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Rear Axle Bearing Help

Does anyone know the acceptable runout on axle flanges? I placed a dial indicator on the outside edge of the hub with the wheels on and found the right hub has .035" of vertical travel and the left has 0.15". I pushed and pulled on the wheels to check the bearings and the left had a little wiggle but nothing from the right. Do I need to loosen the 8 retaining bolts to properly check them? I am sure the right axle is causing the majority of my issue. I know the bearings or bent axle can cause this runout....can a worn carrier bearing do it as well??
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Old 09-17-2012, 10:15 AM
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Help Please

Update...So I replace the outer rear wheel bearings as that was all the parts housees carried, the inners are special order only at all of them. It definately tightened up the rear but made the vibration way worse. I repacked the front bearings due to a noise that I thought had been coming from the front and it made no difference. At highway speeds it sounds like a bearing noise coming from the transmission tunnel area. When I got home I had it in park and revved the engine up to about 1250rpm there was the same vibration I had been feeling at 50mph. Can a bad torque converter cause all these issues?
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Old 09-18-2012, 06:01 AM
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Anybody??????
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Old 09-25-2012, 09:19 AM
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Another update...I pulled the axle shaft on the passenger side and spun the wheel with a dial indicator on the lip of the rim and only had .010 of radial runout, put the axle in far enough for the carrier to hold one end and the lip of the flange in just enough to steady the axle and spun the driveshaft while holding the wheel and get .045-.050 of radial runout. Pulled the axle out and spun it on a set of jackstands with the dial indicator on the flange and get the same .045-.050 runout on the flange. I tried installing it on the driver side put they are different length axles. It appears as if the axle flange is bent...I am going to try and track one down locally. I am assuming that the axle was hit but I have owned the truck for years and don't recall hitting anything?
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