Rear axle bearing repair
My rear end has been making noise when I turn sharp in one direction and it is getting worse. Sounds like the tire is rubbing but I determined that it is not rubbing. Noticed that the drivers side was leaking a little gear oil so I pulled the axle. The bearing race in the axle tube spins easily and I slid it right out. I assumed it would be a press fit but mine turns easily. Is that normal and if not, what is the proper way to fix.
Originally Posted by Mighty Thor View Post
If you're leaking gear oil, though, your axle seal is bad and you have to replace the bearing to replace the seal (yee-haw!)
This write up is decent:
JeepsLimited.com - D35C Axle Seal Removal and Replacement (WJ)
but you don't have to remove the differential cover unless you're due a fluid change anyway - but you probably already knew that since you pulled the shaft to check the bearing.
I did learn that the outer race is supposed to move and now I am at a complete loss as to what is causing the rubbing noise. with the driver's axle out, and turning the passenger side axle, the spider gears were a lot louder than I am used to so I guess the next step is to pull the cover and look for issues there. What should I be looking for in the diff? this is a 99 with a Dana 44 and limited slip rear.
After reading a bunch of other posts I decided to try to add some Mopar friction additive and see if that would quiet down the noise I had been hearing. Sure enough, after adding the additive to the Royal Purple synthetic gear oil the rubbing sound I had been hearing has started to go away. I will probably still need to pull the seals and replace them in a little while but at least I won't be redoing the whole rear end.
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