Q: Do I need to get the transfer case fluid and transmission fluid changed?
I drive a 4x4 Expedition, and last time I went in for an oil change, the mechanic said I should get my transfer case fluid and transmission fluid changed out. I've been up to date on all other maintenance, but I've never done that. I've heard conflicting reports on whether changing the transmission fluid is necessary, and I've never heard of changing out the transfer case fluid. Are either of those things necessary?
My car has 70000 miles.
My car has an automatic transmission.
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