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Old May 5, 2012 | 01:49 PM
  #1  
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From: reno nevada
Gear oil

What gear oil is supposed to go in my rear diff in my 02 F250? I am 99% sure i have the non limited slip standard rear end. My truck is at about 109k and i just realized i have never changed it. Joe
 
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Old May 5, 2012 | 02:21 PM
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Hi Duckman,You might want to look at the "motorcraft axle lubricant" website,lots of good info....Dave
 
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Old May 5, 2012 | 02:45 PM
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The Sterling 10.5 specs 75w140 gear oil. I used Amsoil Severe Gear because I have an account with a vendor that sells it. Works well and is about the same price as a lot of other 75w140 oils. Best to not add any friction modifier unless you experience chatter.(only applies to the limited slip diff obviously)
 
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Old May 6, 2012 | 01:50 PM
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From: reno nevada
oil

Yes thanks men. Found my missing owners manuel and it does say 75-140 oil. Thanks
 
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Old May 6, 2012 | 03:31 PM
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I've used the 75w110 amsoil severe gear lube, a tick better fuel mileage.
 
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