Page 537 of 6020

FRONT WHEEL DRIVE 4C1-33
(7) Select the shim using the chart;
mm(in)
Pinion
marking
+10 +8 +6 +4 +2 0 -2 -4 -6 -8 -10 Dial indicator
reading (inches)
0.081 2.18 (0.0858)0.082 2.18 (0.0858) 2.20 (0.0866)0.083 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882)0.084 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890)0.085 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898)0.086 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913)0.087 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921)0.088 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929)0.089 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937 )0.090 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953)0.091 2.18 (0.0858) 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961)0.092 2.20 (0.0866) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969)0.093 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976)0.094 2.26 (0.0890) 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992)0.095 2.28 (0.0898) 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000)0.096 2.32 (0.0913) 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008)0.097 2.34 (0.0921) 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.098 2.36 (0.0929) 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.099 2.38 (0.0937) 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0 2.42 (0.0953) 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.001 2.44 (0.0961) 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.002 2.46 (0.0969) 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.003 2.48 (0.0976) 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.004 2.52 (0.0992) 2.54 (0.1000) 2.56 (0.1008) 0.005 2.54 (0.1000) 2.56 (0.1008) 0.006 2.56 (0.1008)
Note :
When ordering shims, find the part number in the Parts Catalog by using the thickness of the shims listed
in the above table.
5. Inner Bearing
Place the shim on the drive pinion, with the chamfered side
turned towards the pinion head then install the inner bearing on
to the pinion using an installer and a press.
Installer : 9-8522-1165-0
Note:
Do not apply pressure to the roller cage.
Apply pressure only to the inner race.
6. Collapsible Spacer
Discard the used collapsible spacer and install a new one.
9. Oil Seal
Use oil seal installer to install a new oil seal that has been
soaked in rear axle lubricant.
Installer : 9-8522-1275-0
Note :
Take care not to use a rear differential oil seal instead of
the front differential oil seal.
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Page 538 of 6020

4C1-34 FRONT WHEEL DRIVE
12. Flange Nut and Washer
(1) Apply lubricant to the pinion threads.
(2) Tighten the nut to the specified torque using the pinion flange holder.
Pinion flange holder : 5-8840-0133-0
Torque N ⋅m (kgf ⋅m/lb ⋅ft
)
177 - 275 (18 - 28/130 - 202)
Discard used flange nut and install new one.
(3) Pinion bearing preload
(a) Measure the bearing preload by using a torque meter. Note the scale reading required to rotate the flange.
(b) continue tightening until the specified starting torque is obtained.
Starting Torque N⋅m (kgf ⋅m/lb ⋅in
)
0.63 - 1.13 (0.06 – 0.12/5 - 10)
13. Adjust Shim
(1)
Attach the side bearing to the differential assembly without
shims. Support the opposite side using a pilot to prevent
bearing damage.
1 Installer : 9-8522-1164-0
2 Drive handle : 5-8840-0007-0
3 Pilot : 9-8521-1743-0
(2) Insert the differential cage assembly with bearing oute
r
races into the side bearing bores of the carrier.
(3) Using two sets of feeler gauges, insert a feeler stock o
f
sufficient thickness between each bearing outer race and
the carrier to remove all end plat. Make certain the feele
r
stock is pushed to the bottom of the bearing bores.
Mount the dial indicator on the carrier so that the indicato
r
stem is at right angles to a tooth on the ring gear.
Dial indicator : 5-8840-0126-0
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Page 539 of 6020
FRONT WHEEL DRIVE 4C1-35
(4) Adjust feeler gauge thickness from side to side until ring
gear backlash is in the specified range.
Backlash mm(in) 0.13 - 0.18 (0.005 - 0.007)
W ith zero end play and correct backlash established,remove the feeler gauge packs, determine the thickness o
f
the shims required and add 0.05 mm (0.002 in) to each
shim pack to provide side bearing preload. Always use ne
w
shims.
(5) Remove side bearing
Remover : 5-8840-0013-0
Pilot : 9-8521-1743-0
14. Side Bearing
Install the side bearings together with the selected shims.
1 Installer : 9-8522-1164-0
2 Drive handle : 5-8840-0007-0
3 Pilot : 9-8521-1743-0
17. Bearing Cap
Align the setting marks applied at disassembly.
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Page 540 of 6020
4C1-36 FRONT WHEEL DRIVE
18. Bolt
Bolt Torque N⋅m (kgf ⋅m/lb ⋅ft)
98 (10.0/72)
Measure the amount of run-out of the ring gear at its rear face.
mm(in)
Standard Limit
0.02 (0.001) 0.05 (0.002)
Gear Tooth Contact Pattern Check and Adjustment
Apply a thin coat of prussian blue or equivalent to the faces of
the 7 - 8 teeth of the ring gear. Check the impression of
contact on the ring gear teeth and make necessary adjustment
as described below if the contact is abnormal.
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Page 541 of 6020
FRONT WHEEL DRIVE 4C1-37
20. Differential Assembly
(1) Clean the faces of the front axle case and differential carrier.
Apply the recommended liquid gasket or its equivalent to
the sealing side of the axle case and the carrier.
(2)
Attach the differential case and the carrier assembly to the
front axle case and tighten the nuts and bolts. The axle
case bolt is used for drainage.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
26 (2.7/20)
(3) Install the axle shaft assemblies as instructed earlier in this section under “Axle Shaft Replacement”.
(4) Fill the axle case with hypoid gear lubricant, to just belo
w
the filler hole.
Lubricant capacity liter (US/UK gal)
1.4 (0.37/0.31)
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Page 542 of 6020
4C1-38 FRONT WHEEL DRIVE
FRONT HUB AND DISC
(4×2 Except High Ride Suspension Model)
Disassembly
Refer to SECTION 3E “W HEELS AND TIRES” for wheel removal procedure.
RTW 34CLF000801
Disassembly Steps
1. Bolt
▲ 2. Brake caliper
▲ 3. Hub cap
4. Split pin
5. Nut retainer
6. Hub nut
7. Lock washer
8. Outer bearing
▲ 9. Hub and disc assembly
10. Oil seal
11. Inner bearing and outer race
12. ABS sensor rotor
▲ 13. Bolt
▲ 14. W heel pin
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Page 543 of 6020

FRONT WHEEL DRIVE 4C1-39
Important Operations
Before removal, jack up the front of vehicle and support frame
with jack stands.
2. Brake Caliper
(1) Remove the two bolts from the rear side of the knuckle arm, then remove the brake caliper, with the brake hose
attached.
(2) Use a wire etc., for attaching the brake caliper to the uppe
r
link.
Refer to the section Brake.
3. Hub Cap
W hen removing hub cap, exercise care so as not to scratch or
distort hub fitting face.
9. Hub and Disc Assembly
Using a brass bar to remove the outer bearing outer race (1),
oil seal, inner bearing and inner bearing outer race (2) from the
hug.
If necessary, replace the wheel pin in the following manner.
13. Bolt
14. Wheel Pin ; Front Hub
(1) Scribe mark on hub to disc before disassembly to insure proper assembly.
(2) Drive out the ABS sensor rotor using a metal bar and hammer through the two bolt holes.
• Discard the used ABS sensor rotor
Refer to the section Brake.
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Page 544 of 6020
4C1-40 FRONT WHEEL DRIVE
(3) Clamp hub and disc assembly in vise using protective pads
and remove six (6) disc to hub retaining bolts.
(4) Place hub on a suitable work surface and remove wheel
studs, as required, using a hammer.
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ISUZU KB P190 2007