05-02-2014, 09:52 AM
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#1 (permalink)
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Premium Member
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Location: South Arkansas
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Quote:
Originally Posted by Chuck33079
It's $20 in fluid and $2 in crush washers. Why is is even an argument? Looking at how much metal was on the drain plug at 15k miles when I did it was proof enough to me that it needs a shorter interval and better fluid.
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After the first change, you should be able to go 30-40k miles (or more) before it needs to be changed again. Diffs (and MTs) nearly always shed a lot of visible metal pieces during break-in but after that it slows WAY down. Time will probably be a bigger factor than actual wear. YMMV
But, as you say, it's a cheap and easy job. Absolutely nothing wrong with changing every 15k.
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