Factory Five Racing Mk4 Roadster Assembly Manual page 536

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 .
Rotate the differential until you see the small bolt (Differential pinion shaft locking bolt) that holds in
the large center pin. Remove the bolt using an 8mm socket and ratchet.
535
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