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The rear diff takes 3.4-3.8 pints ( 1.6-1.8L ) of 75w90.
The front diff takes 3.2 pints ( 1.5L ) of 75w90.

Or the standard fill till it starts to seep over the threads, thats what I did when I did mine 3 weeks ago
x2!

:355:
 

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Yeah - and I still owe y'all a HowTo on this. Just gotta get under the truck to take pictures. Damned cold ground. :(
 

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Another day.....
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I heard you have to change your diff oil every 100,000miles is this true?
I want to change mine to amsoil but what`s the point if the oil last 100,000miles? I really dunno so explain.........I think it should be changed earlier then that
 

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100k is if you drive it on the highway only. I change mine every 40-45k because I use my truck to haul and tow some pretty big loads. That and the MD/DC/VA traffic.
 

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So with city driving I should prolly change mine then? IM at 51k A "how to" write up would be great....IM clueless when it comes to these things
 
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