Rear Axle Oil-Worth Changing?
I've been considering changing my rear axle oil this weekend (no tricky limited-slip oil needed, I have a "normal" unit). Is this worth doing? Is this a case of don't fix it if it's not broke? I'm considering doing it simply because the oil is going on 20 years old. Certainly, it must have broken down a bit during those 20 years, and/or a few metal shavings are suspended in there somewhere. I have the seals, manuals, and the tools needed to get the drain/inspection plugs off (hopefully).
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