Quote:
Originally Posted by bob3dsf
True. If a fair amount of heat wasn't involved, then diffs wouldn't have vent valves. Further, I found a video on Youtube showing what gear oil looks like inside the diff while driving. There was a transparent diff cover. The gear oil gets aerated to the point that it looked like a chocolate milkshake.
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yeah ive seen that vid before. gear oil goes through some pretty extreme abuse, especiallly when towing or high horsepower race cars etc.
just wanted to post accurate info that gear oil absolutely does not last indefinitely. with or without heat.
