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The rear end is whining on my 02 2WD TB with 150K miles, limited slip differential. I get a fairly high pitched noise from the rear end starting around 25 mph.

I think it is the pinion bearing, but I can't find any info on how to get the old bearing out and new one in. I have the cover off, and the driveshaft disconnected. My next step is to pull the axles, and then remove the differential, but if you have any advice, please let me know! Also, as long as I am in there, should I replace all of the bearings?

In case you are wondering, the fluid looked pretty good. There were some metal shavings, but it didn't seem bad for the mileage. No leaks seen.
 
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