Front & Rear Differential Fluid Change Questions - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 10-10-2013, 08:03 AM Thread Starter
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Question Front & Rear Differential Fluid Change Questions

Well, it is time to change my front and rear differential fluid on my 2010 F-250. I just have a few questions. First how many quarts of fluid does each diff take? Second, I have always run Amsoil Severe gear diff fluid in all of my trucks. With that said, I’m open minded, so does anyone have any other suggestions, or should I stick with the Amsoil? Also, if I go with the Amsoil what weight should I go with? I do not tow anything above 8,000 pounds and it is also my daily driver.

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2010 Ford F-250 Super Duty, Lariet 4x4, Crew Cab Short Bed, loaded with every option...and more

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post #2 of 2 Old 10-10-2013, 03:16 PM
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The amsoil website is helpful with almost all your questions. They have an interactive guide that tells you what fluids to use and the capacities. Try this, AMSOIL Online Product Application Guide
In this case they dont tell you how many pints are needed for the 10.5 rear and IIRC it was about 8 pts. Personally I would use 75W-140 in the rear and 75w-90 in the front. Any full synthetic fluid will do fine, aside from that its personal preference.

2008 (Job 1) F250 King ranch 4x4, snow plow prep package with 2.5 level. Black Maxx, B&W Diehard platinums. Dieselsite coolant and transmission filters, NCU Motorsports/amsoil oil bypass kit. Turbo blankets, 5.5 PMF traction
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