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|Thanks jsinton! I'll try some of the gear oil from WM. Is changing both the rear diff and transfer case gear oil at 32k miles too early? I don't tow but my commute is about 50/50 highway/city.|
|Actually, according to the owners manual, it says to inspect at 30k and 60k and to drain/fill at 75k (miles) for the transfer case. For the rear case is never says to drain/fill, just to inspect every 30k. It's up to you, I'd just follow the owners manual.|
Thing is; Why would you go through the pain and anguish of removing the fill plug to "inspect" the rear diff oil and not just dump/fill it? Normally I'd agree to leave it alone, just like rear diffs were left for decades, but having changed the rear diff oil on some late model truck/truck based vehicles, the rear diff oil can look horrible, as did the debris magnet. My point is; If you're going to do the xfer case, might as well do the rear.
Seriously, quit worrying about things that have no merit, unless you are actually beating the crap out of your Santa Fe. In that case, do what you have to do but chances are, your beat up Santa Fes wont last that long anyway.
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