synthetic

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    75W-140 Synthetic In The Rear Differential All The Time

    I have a 2003 KJ Limited with 84,000 miles. One of the rear wheel bearings needs replaced so a mechanic will be taking the rear apart to fix that. I am wondering about this in the owner's manual: I want to be able to do some towing as needed without worrying about draining the rear axle of...
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