Quote:
Originally Posted by TheHippie
My 4Runner 4wd is already 122000 miles and differential and transfer case fluid not changed. It still drives like a dream.
I heard that if you change the fluid it will hurt your car more since those fluids never been changed since.
Is that true?
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That is absolutely not true for gearboxes. Even for transmission, I certainly wouldn't worry about it at 122K. Plenty of threads on how to do it on the forum. Only need a few tools you might not otherwise have like 24mm socket and 10mm hex socket.
You can easily knock out both differentials and transfer case in under two hours.