Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 1148
4C–4
DRIVE SHAFT SYSTEM
If abnormal conditions are discovered during
inspection, go to Step 6. If there are no abnormal
conditions, reassemble the front disc rotor and
caliper.
NOTE: Hub, wheel bearing and spindle is integrated to
the hub unit bearing so it must not be disassembled. If
it has abnormal rattle or noize, replace the hub unit
bearing.
6. Remove the ABS sensor connector.
411R200004
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7. Remove the 4 bolts fixing the hub unit bearing to the
knuckle.
Apply penetrating oil to the bearing and knuckle contact
surfaces if the surfaces are stuck together because of
rust.
8. Temporarily install long bolts to 2 of the fixing bolt
holes (the bolts must have the same diameter and
thread width).
9. Strike the long bolts with a hammer to loosen and
remove the hub unit bearing from the knuckle.
Take care not to drop the bearing.
10. If necessary, replace the wheel pin in the following
manner.
• Place hub on a suitable work surface and remove
wheel studs, as required, using a hammer.
411RS004
Inspection
Inspect the parts listed below for abrasion, breakage,
and other abnormal conditions.
Repair, or replace the parts as required.
• Disc
• Caliper
• Wheel pin
• Hub unit bearing
Legend
(1) ABS Sensor Connector
(2) Bolt
DRIVE SHAFT SYSTEM
4C–5
Reassembly
1. Install wheel pin.
411RS005
• Place hub on a wood workbench or a block of
wood approx. 6" by 6" to protect the wheel stud
ends and threads.
• Install wheel stud, using a hammer.
NOTE: Be sure wheel stud is started squarely and
seats completely.
2. Install the hub unit bearing to the knuckle.
Tighten the bolts to the specified torque.
Hub unit bearing bolt
Torque: 103
±10 N·m (10.5 ± 1 kg·m)
If there is rust on the bearing and knuckle contact
surfaces, use sandpaper to remove it before installation.
3. Install the ABS sensor connector.
4. Install the disc rotor.
5. Install the brake caliper to the bracket.
Refer to Front disc caliper assembly in Section 5C of
this Manual.
4C–6
DRIVE SHAFT SYSTEM
Front Hub and Disc (4WD Model)
Disassembled View
411R200010
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Disassembly
1. Move the transfer case lever to the 2WD position.
2. Raise the vehicle with a jack. Support the frame with
chassis stands.
3. Remove the brake caliper from the bracket. Secure
the caliper with a wire that it does not interfare with
the work process.
Refer to Front disc caliper assembly in Section 5C of
this Manual.
4. Remove the disk rotor.
Apply penetrating oil to the bearing and disc rotor
contact surfaces if the surfaces are stuck together
because of rust.
5. Inspect the hub unit bearing. Refer to inspection
below.
6. Use a dial gauge to measure the bearing axial rattle.
Bearing axial rattle: 0.05 mm max
Legend
(1) Disc Rotor
(2) Hub Unit, Bearing
(3) Wheel Pin
(4) ABS Sensor Ring
(5) Bolt
DRIVE SHAFT SYSTEM
4C–7
411R200002
If abnormal conditins are discovered during inspection,
go to Step 7. If there are no abnormal conditions,
reassemble the front discrotor and caliper.
7. Loosen the caulking around the front drive shaft
nuts.
8. Remove the nuts and discard them (they cannot be
reused).
9. Remove the 4 bolts fixing the hub unit bearing to the
knuckle.
Apply penetrating oil to the bearing and knuckle contact
surfaces if the surfaces are stuck together because of
rust.
10. Temporarily install long bolts to 2 of the fixing bolt
holes (the bolts must have the same diameter and
thread width).
411R200012
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11. Strike the long bolts with a hammer to loosen and
remove the hub unit bearing from the knuckle.
• Take care not to strike the front drive shaft.
• Take care not to drop the bearing.
12. Remove the ABS rotor sensor from the bearing.
13. Remove the wheel pin.
411RS004
Inspection
Inspect the parts listed below for abrasion, breakage,
and other abnormal conditions.
Repair or replace the parts as required.
• Disc
• Caliper
• Drive shaft oil seal
• ABS sensor rotor
• Wheel pin
• Hub unit bearing
Legend
(1) Bolt
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