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How much differential fluid in my 4.88's?

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Old 11-16-2010, 02:20 PM
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Default How much differential fluid in my 4.88's?

i just regeared it and i need to change the fluid what kind and how much?
Old 11-16-2010, 02:24 PM
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Here we go....
Old 11-16-2010, 02:49 PM
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Originally Posted by thejeepjunkie
i just regeared it and i need to change the fluid what kind and how much?
75 W 90, fill to the top hole....
Old 11-16-2010, 02:55 PM
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The information you need is here. If you have aftermarket differential covers, don't overfill the diffy (which happens if you fill it to the aftermarket cover drain hole). This will cause it to bubble up and spit out of the vent tube, making a mess and reducing the lubricating efficiency of your lube (frothy lube is not good).
Old 11-16-2010, 02:58 PM
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Go by what your owners manual says.

If you can't get that amount in because of your lift and having the axle tilted, you may want to jack it up until you can get the full amount in...
Old 11-16-2010, 03:21 PM
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please stop this madness before it starts again...PLEASE!!!!



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