Torque Wrench, 8mm, 16mm, ½",
screwdriver, (2) Jack stands, Rags, Oil drain pan, RTV Silicone, 1.875qts of 75W-90 weight
non-synthetic gear oil with GL-5 or GL-6 rating, 4oz of Friction modifier (Ford# CM-19546-
A1), Brake Fluid.
Remove the ten bolts that hold on the differential cover using a ½" socket wrench. Note: If you are
installing disc brakes on a used rear axle, leave one bolt in the top of the cover and have a drain pan
ready under the axle, then gently pry the bottom of the cover away from the axle to let the oil drain out
using a small pry bar .
9
/
16
" sockets, Ratchet, Needle nose pliers, Small flat head
521
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