3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Scheduled diff chang

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Old 05-14-2008, 08:41 AM
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Scheduled diff chang

What is the scheduled miles to change differential fluids on an 07 Dodge. I have heard that a change is due at 15,000 miles but have also heard that Dodge changed that to 30,000?
Old 05-14-2008, 10:07 AM
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My owners manula on my 07 is 15,000. Not sure if Dodge changed it or not. They should!
Old 05-14-2008, 10:13 AM
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15k is severe duty.Light duty is what? 100k.Book has two differant intervals.
Old 05-14-2008, 12:35 PM
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If its the factory gray water looking junk then I would not let it run more then 5K in my diff's. Once its out and new in I would think 30K changes would be Ok but I would check it at 15K and then again every 5K or so to see how well the gear oil you used is holding up. Also if its the first diff change then I would pull the covers and let all of the old stuff drain out for a few hours.

JMHO
Old 05-16-2008, 10:34 AM
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I would give the factory oil some time to break in, 10-15k miles and then change it out, the oil changes after that can be at your discretion. I tow a lot and my second oil change at 45k miles the oil still looked good. Your first oil change looks like the diff is failing from all the break in material.
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