Isuzu KB P190. Service manual — part 134
4C1-32 FRONT WHEEL DRIVE
(5) After the ZERO setting is obtained, rotate the gaging arbor
until the dial indicator rod does not touch the gaging plate.
Record the number the dial indicator needle points to.
(6) Record the pinion depth code on the head of the drive
pinion.
The number indicates a necessary change in the pinion
mounting distance. A plus number indicates the need for a
greater mounting distance (which can be achieved by
decreasing the shim thickness). A minus number indicates
the need for a smaller mounting distance (which can be
achieved by increasing the shim thickness). If examination
reveals pinion depth code “0”, the pinion is “nominal”.
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.
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 outer
races into the side bearing bores of the carrier.
(3) Using two sets of feeler gauges, insert a feeler stock of
sufficient thickness between each bearing outer race and
the carrier to remove all end plat. Make certain the feeler
stock is pushed to the bottom of the bearing bores.
Mount the dial indicator on the carrier so that the indicator
stem is at right angles to a tooth on the ring gear.
Dial indicator : 5-8840-0126-0
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)
With zero end play and correct backlash established,
remove the feeler gauge packs, determine the thickness of
the shims required and add 0.05 mm (0.002 in) to each
shim pack to provide side bearing preload. Always use new
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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