Toyota Hilux Surf 1993 Owner's Manual page 759

STEERING – Manual Gear Housing (2WD)
9. MEASURE SECTOR SHAFT BACKLASH
Install a dial indicator. Check that the sector shaft has no
backlash within 100 degrees of the left and right sides
from neutral position.
10. REPLENISH WITH GEAR OIL
Oil type: API GL–4, SAE 90
Capacity: 380 – 400 cc (23.2 – 24.4 cu in.)
Oil level: (at installation)
18 – 28 mm (0–71 – 1.10 in.) from top
11. INSTALL BLEEDER PLUG
Torque: 7.4 N–m (75 kgf–cm, 65 in.–lbf)
SR–25