F 350 2WD Pickup V8-7.3L DSL (1988)
27. Install a new locknut on the shaft, and tighten to 288-292 Nm (212-216 ft-lb).
28. Upset the outer lip of the locknut into the slot in the shaft, using Tool T88T-2598-G, or equivalent.
29. Screw the vent into the case, and tighten it to 12-16 Nm (8-12 ft-lb).
30. Remove the parking brake assembly from the vise.
31. With the parking brake in the as installed position, fill the case with Ford Automatic Transmission Fluid (type H) XT-4-H, through the filler hole.
Fill to the bottom of the filler hole, and install and tighten the fill plug to 59-63 Nm (43- 47 ft-lb).
32. Reinstall the parking brake assembly.