Differential fluid changes
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Joined: Jun 2008
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Differential fluid changes
Preparing for winter and ive never changed differential fluids in my life 
I was wondering how to go abouts it? Just take all the outer bolts off and let it drain?
Clean everything up whipe it down maybe PAINT IT RED j/k
Then put it back together and fill it up to the bottom of the hole.
When i do this do i need new gaskets? What kind of gear lube do you use? And how much does it take? (i know till you get to the hole but <example> i dont wanna buy 12 bottles if i only need 6)
I was wondering how to go abouts it? Just take all the outer bolts off and let it drain?
Clean everything up whipe it down maybe PAINT IT RED j/k
Then put it back together and fill it up to the bottom of the hole.
When i do this do i need new gaskets? What kind of gear lube do you use? And how much does it take? (i know till you get to the hole but <example> i dont wanna buy 12 bottles if i only need 6)
Posting Guru
Joined: Oct 2008
Posts: 1,825
Likes: 2
From: Az
Posting Guru
Joined: Oct 2008
Posts: 1,825
Likes: 2
From: Az
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
It's pretty straight forward process just like Bob (Guzzle) documented in his write-ups. You may want to get a snazzy finned rear cover like the newer trucks come with from the factory.
Riffraff Diesel: 08 Superduty Rear Diff Cover
Riffraff Diesel: 08 Superduty Rear Diff Cover
Cargo Master
Joined: Feb 2010
Posts: 2,298
Likes: 94
From: Delta, CO
Like Chris said the '08 diff cover is nice. I got one just in case the steel one was rusted out ( that was my story to wife ) but really they are nice & have a nice groove for the RTV sealant. I bought "1-1/4 flange bolts from Lowes. Think it will be much easier next time with this setup
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