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Old 03-18-2013, 05:14 PM   #2
Lattimer
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Join Date: Jan 2013
Location: Mickleton, NJ
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Re: Rear differential oil

Quote:
Originally Posted by Mister-B View Post
What weight does it call for? What about capacity? Is one of the typical cone shaped bottles enough for a drain and fill, or does it need more?

I'm probably going to go with Mobil1 full synthetic

I've done this on other vehicles before, but not this truck. Do I just remove the top plug, remove the bottom, let all fluid drain, then install bottom plug, and fill though the top until fluid starts to drip out the top hole, then plug?
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Usually its 90 weight. My 12 bolt took a little less than 2 quarts, but no clue what your 3/4 ton takes.

I usually do just as you stated----fill until it drips, then put the plug back.
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1970 Chevy C-10 SWB, 350, TKO 600 5 speed
My build http://67-72chevytrucks.com/vboard/s...d.php?t=559881
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