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17.
Using the top fill port, fill the aFe differential cover with new gear oil. Fill until gear oil runs
out of the 1/8" NPT port on the side of the cover (about 5 quarts).
Note: If your vehicle is lifted and your axle has been rotated, you will have to verify you have
the correct oil level for your vehicle.
18.
Apply Teflon tape/pipe sealant and install one of the supplied 1/8" NPT plugs into the side
of the cover.