wheel ISUZU TFS SERIES 1997 Repair Manual

FRONT WHEEL DRIVE 4C1-43
(2) Clamp hub and disc assembly in vise using protective pads
and remove six (6) disc to hub retaining bolts.
(3) Place hub on a suitable work surface and remove wheel
studs, as required, using a hammer.

4C1-44 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
Hub
Hub bearing
Bearing outer race
Disc
Oil seal
Visual Check
Check the following parts for wear, damage or other abnormal
conditions.

FRONT WHEEL DRIVE 4C1-45
REASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure.
Reassembly Steps
1. Wheel pin
2. Bolt
3. Inner bearing and outer race
4. Oil seal
5. Hub and disc assembly
6. Outer bearing
7. Lock washer
8. Hub nut
9. Nut retainer
10. Split pin
11. Hub cap
12. Brake caliper
13. Bolt

4C1-46 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 (kgfm/lbft)
103
5 (10.5 1/75.9 7.2)
3. Inner Bearing and Outer Race
4. Oil Seal
Outer Bearing Outer Race
(1) Install the bearing outer race by driving into the hub.
Installer (Outer) : 5-8822-0053-0 (J-29016)
Installer (Inner) : 5-8822-0054-0 (J-29015)
Drive handle : 5-8840-0007-0 (J-8092)
(2) Install the outer and inner bearing into the hub with fingers.

FRONT WHEEL DRIVE 4C1-47
(3) Install oil seal using special tools.
Installer : 5-8522-0051-0
(J-33161)
Grip : 5-8840-0007-0
(J-8092)
5. Hub and Disc Assembly
11. Hub Cap
Apply grease in the hub and hub cap.
Description Amount g(oz)
Hub 50 (1.76)
Hub cap 20 (0.70)
Outer bearing 6.5 (0.23)
Inner bearing 12 (0.42)
8. Hub nut
Adjustment of front wheel hub bearing preload
1. Tighten spindle nut to 3.0 kg
m (21.7 lb.ft/29.4 Nm) torque.
2. Turn the hub 2-3 turns and loosen the nut just enough so
that it can be turned with the fingers.
3. Turn the nut all the way in with the fingers and check to be
sure the hub has no free play.
4. Measure the bearing preload by pulling one of the wheel hub
studs with a spring scale.
5. Tighten the spindle nut until specified bearing preload Is
obtained.
After reassembling, install the disc brake caliper assembly.
Bearing Preload kg(lb)
New bearing and New oil seal 0.8 - 1.0(1.8 - 2.2)
Reuse bearing and New oil seal 0.8 - 1.0 (1.8 - 2.2)
13.Bolt
Torque N
m (kgfm/lbft)
155
15.7 (15.8 1.6/114.3 11.6)

4C1-48 FRONT WHEEL DRIVE
FRONT HUB AND DISC (44 model)
DISASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure
Disassembly Steps
1. Bolt
2. Hub cap
3. Snap ring and shim
4. Flange
5. Lock washer6. Hub nut
7. Hub and disc assembly
8. Outer bearing
9. Oil seal
10. Inner bearing

FRONT WHEEL DRIVE 4C1-49
Important Operations
6. Hub nut
Wrench : 5-8840-2117-0
(J-36827)
Refer to Section 5 “Brake” for disc brake
caliper removal procedure.7. Hub and disc assembly
Before disassembly, remove the disc brake caliper assembly
and hang it on the frame with wires.

4C1-50 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, refer to Section 5 “Service Brakes”.
Hub
Hub bearing, oil seal
Knuckle spindle
Disc
Caliper
Free wheeling hub parts
(Option)
Clutch, knob, follower, inner, ring and
spring
Visual Check
Check the following parts for wear, damage or other abnormal
conditions.

FRONT WHEEL DRIVE 4C1-51
REASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure.
Reassembly Steps
1. Inner bearing
2. Oil seal
3. Outer bearing
4. Hub and disc assembly
5. Hub nut
6. Lock washer
7. Flange
8. Snap ring and shim
9. Hub cap
10. Bolt

4C1-52 FRONT WHEEL DRIVE
Important Operations
1. 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)
2. Oil Seal
Installer : 5-8840-2120-0
(J-36830)
Grip : 5-8840-0007-0
(J-8092)
Apply grease (Besco L-2 or equivalent) to the lip portion.
3. Outer bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-0054-0
(J-29015)
Grip : 5-8840-0007-0
(J-8092)
4. Hub and Disc Assembly
(1) Apply grease in the hub.
(2) Apply grease (Besco L-2 or equivalent) to the outer and
inner bearing.
g(oz)
Hub 35 (1.23)
Outer bearing 10 (0.35)
Inner bearing 15 (0.53)
5. Hub Nut
(1) Turn the place where there is a chamfer in the tapped hole
to the outer side, and attach the nut.
Wrench : 5-8840-2117-0
(J-36827)