Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1990
STEERING 3B-39
Important Operations
2. Seal Ring
3. Dust Seal
Note the setting direction.
Apply a thin coat of grease to lip of each part.
5. O-Ring
6. Seal Ring
7. O-Ring
Apply a thin coat of grease.
8. Ball Nut and Valve Housing Assembly
(1) It is strongly advisable to keep the ball screw and valve
housing assembly always in a horizontal position and avoid
holding it vertically, or the rack piston will fall off onto the
end of the worm, causing the rack piston to slip out of the
worm shaft and balls to fall out.
(2) Be careful so as not to the drop the O-ring fitted to oil
passage in the valve housing.
(3) Tighten the valve housing retaining bolts to the specified
torque.
Valve Housing Bolt Torque
N
⋅m (kgf⋅m/Ib⋅ft)
46.7
±7.8 (4.7±0.7/34±5.1)
9. Oil Seal
Oil Seal Installer : 5-8522-0026-0
(J-26508)
3B-40 STEERING
10.Back Up Ring
11.Retaining Ring
Turn the face with rounded edge (outer circumference) to the
oil seal.
13.Sector Shaft
(1) Tape the sector shaft serrations to protect the seal ring from
damage.
(2) Align the center tooth of ball nut with that of the sector shaft.
16.Top Cover Assembly
Top Cover Bolt Torque
N
⋅m (kgf⋅m/Ib⋅ft)
44.1
±4 (4.5±0.5/32.5 ±3.6)
17.Lock Nut
Adjust the backlash between the worm gear and the ball nut.
(1) With the worm gear rotating, set it to the straight ahead
position.
(2) Set the worm shaft preload to below 0.98 N
⋅m (10 kgf⋅cm/
8.7 lb
⋅in) with the sector shaft adjusting screw.
(3) Measure the worm shaft backlash with the worm gear
turned 450
° both to the right and to the left.
The worm gear preload in these positions should be 0.3
±
0.1 N
⋅m (3 ± 1 kgf⋅cm / 2.6 ± 0.9 lb⋅in) lower than in the
straight ahead position.
(4) Lock the sector shaft adjusting screw with the lock nut.
Lock Nut Torque
N
⋅m (kgf⋅m/Ib⋅ft)
41.2
±5.9 (4.2±0.6/30.4±4.3)
STEERING 3B-41
STEERING LINKAGE
GENERAL DESCRIPTION
3B-42 STEERING
REMOVAL AND INSTALLATION
! Except Europe and Thailand for 4J series and 6VD1 engine model
Removal Steps
1. Nut
2. Bolt
3. Steering damper
4. Nut
" 5. Nut ; pitman arm
" 6. Nut ; relay lever
" 7. Intermediate rod
Installation Steps
7. Intermediate rod
" 6. Nut ; relay lever
" 5. Nut ; pitman arm
4. Nut
3. Steering damper
2. Bolt
" 1. Nut
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