2008f1504x4

I just rebuilt mine with the kit from summit and used royal purple synthetic with the modifier in it and let my clutches soak in the modifier that came with the clutches for a week since I got them on a Monday an did it on a weekend... But I didn't add any modifier to the royal purple just used the one that had it already .... Been bout 6000 miles and no issues yet... And posi works great

picaflor

Check the bearing in the hub for play, moving the tire from side to side, pushing it in the sides. You can do it just rising one tire at the time

Jeff_B

Do you have a part number for the rebuild kit. Can't seem to locate.
Thanks!