Gear Housing (4Wd) Assembly - Toyota Hilux Surf 1993 Owner's Manual

SR–84
STEERING – Power Steering (Gear Housing)
(b) Using a plastic hammer and extension bar, tap in a
new union seat.
ASSEMBLY OF GEAR HOUSING
(See page SR–76)
1. INSTALL WORM GEAR VALVE BODY ASSEMBLY
(a) Install the three 0–rings to the gear housing and
valve body.
(b) Mount the gear housing on SST and clamp SST in
vise.
SST 09630–00012 (09631–00140)
(c) Install and torque the four bolts.
Torque: 61 N–m (620 kgf–cm, 45 ft–lbf)
NOTICE: Be careful not to damage the teflon ring.
(d) Using SST, check the worm gear preload.
SST 09616–00010
Preload (Starting): 0.3 – 0.5 N–m
HINT: Hold the power piston nut to prevent it from turn–
ing.
If preload is not correct, replace the worm gear assembly.
2. INSTALL PLUNGER GUIDE NUT
(a) Install the plunger, plunger guide and spring.
(b) Install a new O–ring to the plunger guide nut and in–
stall the plunger guide nut with SST.
SST 09043–38100
Torque: 20 N–m (205 kgf–cm, 15 ft–lbf)
(3 – 5.5 kgf –cm, 2.6 – 4.8 in. AM)