Page 274 of 4264
4C1-54 FRONT WHEEL DRIVE
Important Operations
1. Wheel Pin
(1) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats
completely.
(3) Align index marks and install hub to disc.
2. Bolt
Torque N
m (kgf
m/lb
ft)
103
10 (10.5
1/75.9
7.2)
3. ABS sensor rotor
(1) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.
4. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2119-0
(J-36829)
Grip : 5-8840-0007-0
(J-8092)
Page 276 of 4264

4C1-56 FRONT WHEEL DRIVE
Preload Adjustment
Tighten the hub nut at 29.4 Nm (3 kgfm / 21.716 lb.ft), then
loosen the nut to the full.
Tighten the hub nut at the value given below, using a spring
scale on the wheel pin.
Bearing Preload N(lb)
New bearing and New oil seal 20 - 25 (4.4 - 5.5)
Used bearing and New oil seal 12 - 18 (2.68 - 4.0)
If the measured bearing preload is outside the specifications,
adjust it by loosening or tightening the bearing nut.
9. Lock Washer
Turn the side with larger diameter of the tapered bore to the
vehicle outer side, and attach the washer.
If the bolt holes in the lock plate are not aligned with the
corresponding holes in the nut, reverse the lock plate.
If the bolt holes are still out of alignment, turn in the nut just
enough to obtain alignment,. Screw is to be fastened tightly so
its head may come lower than the surface of the washer.
11. Snap ring, shims (4
4 model only)
Adjust the clearance between the flange and the snap ring.
Clearance mm(in)
0 - 0.2 (0 - 0.08)
Adjust shims available
mm(in)
0.2, 0.3, 0.5, 1.0
(0.008, 0.011, 0.020, 0.039)
RTW440SH000901
13.
Bolt
Torque Nm (kgfm/lbft
)
59 (6.0 / 43)
Page 283 of 4264
FRONT WHEEL DRIVE 4C1-63
13. Wheel Pin
(1) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats
completely.
(3) Align index marks and install hub to disc.
14. Bolt
Torque N
m (kgf
m/lb
ft)
103
10 (10.5
1/75.9
7.2)
15. ABS sensor rotor
(1) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.
16. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2119-0
(J-36829)
Grip : 5-8840-0007-0
(J-8092)
Page 286 of 4264
4C1-66 FRONT WHEEL DRIVE
25. Bolt
Torque Nm (kgfm/lbft)
12.0
2.0 (1.2
0.2 / 8.7
1.4)
Page 299 of 4264

SHIFT ON THE FLY SYSTEM 4C2-1
DRIVELINE/AXLE
SHIFT ON THE FLY SYSTEM
CONTENTS
Service Precaution............................................. 4C2-1
Shift On The Fly System .................................... 4C2-2
Outline of Shift on The Fly System ................. 4C2-2
Shift On The Fly Electrical Equipment ............... 4C2-3
Axle Shaft Connection and Disconnection ..... 4C2-3
Actuator Assembly.......................................... 4C2-3
Shift On The Fly System and Association
Parts ................................................................. 4C2-4
Disassembly ................................................... 4C2-5
Inspection and Repair..................................... 4C2-6
Reassembly .................................................... 4C2-9
Torque Specifications ..................................... 4C2-12
Special Service Tool ....................................... 4C2-13
Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFE
R
TO THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY, OR OTHERWISE UNNEEDED SRS SYSTEM
REPAIRS.
CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU will call out those fasteners that require a
replacement after removal. ISUZU will also call out
the fasteners that require thread lockers or thread
sealant. UNLESS OTHERWISE SPECIFIED, do not
use supplemental coatings (Paints, greases, o
r
other corrosion inhibitors) on threaded fasteners o
r
fastener joint interfaces. Generally, such coatings
adversely affect the fastener torque and the joint
clamping force, and may damage the fastener.
When you install fasteners, use the correct
tightening sequence and specifications. Following
these instructions can help you avoid damage to
parts and systems.
Page 308 of 4264
4C2-10 SHIFT ON THE FLY SYSTEM
412RS044
13. Inner Shaft Bearing
Place a new snap ring in inner shaft.
Force a new inner shaft bearing into the inner shaft.
Installer : 5-8840-2197-0 (J-37452)
12. Snap Ring
NOTE;
Be careful not to damage the inner shaft.
11.inner Shaft
Clean the housing contact surface of the front axle
case.
Insert inner shaft assembly into the front axle case.
NOTE:
Be careful not to damage oil seal.
412RW017
10. Snap Ring
Install snap ring in the groove of front axle case.
NOTE:
Be sure to install the snap ring properly.
9. Clutch Gear
Apply differential gear oil to clutch oil.
8. Sleeve
Apply differential gear oil to sleeve.
412RW023
7. Housing
Clean contact surface with the front axle and sctuator
mounting surface.
Apply liquid gasket to the contact surface on the front
axle case and install in the housing.
6. Bolt
Tighten bolts to specified tightening torque.
Housing Bolt Torque N m (kg m/lb ft)
75 (7.6/55)
Page 309 of 4264
SHIFT ON THE FLY SYSTEM 4C2-11
5. Actuator
Clean the actuator contact surface with the housing.
Apply liquid gasket to the contact surface on the
actuator side.
Align shift arm with the groove of sleeve and install the
actuator.
4. Bolt
Tighten bolts to specified torque.
Actuator Bolt Torque N m (kg m/lb ft)
9 (0.95/78)
3. Front Axle Drive Shaft (LH side)
2. Bolt
Install front axle drive shaft and mounting bracket.
Tighten fitting bolts to specified tightening torque.
Bolt Torque N m (kg m/lb ft)
116 (11.8/85)
1. Filler Plug
Pour specified amount of differential gear oil.
Front Differential Oil Capacity liter (US/UK gal)
1.4 (0.37/0.31)
Actuator Housing Oil Capacity liter (US/UK gal)
0.12 (0.03/0.03)
Install filler plug through packing and tighten to
specified torque.
Filler Plug Torque Nm (kgm/lbft)
78 (8.0/58)
Page 310 of 4264
4C2-12 SHIFT ON THE FLY SYSTEM
Torque Specifications N
m (kgf
m / lb ft)
RTW440LF000801