Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 1147
DRIVELINE CONTROL SYSTEM
4B–21
Installation
1. Connect harness connector, then install 4WD
control unit.
2. Install center console assembly.
Shift On The Fly Controller
Shift On The Fly Controller and Associated Parts
828RY00003
EndOFCallout
Removal
1. Disconnect the battery ground cable.
2. Remove the front console assembly.
Refer to Consoles in Body and Accessories section.
3. Disconnect the connector from the controller.
4. Remove the nut.
5. Remove the controller.
Installation
To install, follow the removal steps in the reverse order,
noting the following points.
Torque: Nut (1) 8 N·m (69 Ib in)
Legend
(1) Nut
(2) SOF Controller
(3) Connector
DRIVE SHAFT SYSTEM
4C–1
RODEO
DRIVELINE/AXLE
CONTENTS
DRIVE SHAFT SYSTEM
Service Precaution. . . . . . . . . . . . . . . . . . . . .
4C–1
General Description . . . . . . . . . . . . . . . . . .
4C–2
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–2
Front Hub and Disc (2WD Model) . . . . . . . . .
4C–3
Disassembled View . . . . . . . . . . . . . . . . . .
4C–3
Disassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–3
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–4
Reassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–5
Front Hub and Disc (4WD Model) . . . . . . . . .
4C–6
Disassembled View . . . . . . . . . . . . . . . . . .
4C–6
Disassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–6
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–7
Reassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–8
Front Drive Shaft Joint . . . . . . . . . . . . . . . . . .
4C–9
Front Drive Shaft Joints Replacement . . . .
4C–9
Front Axle Drive Shaft . . . . . . . . . . . . . . . . . .
4C–10
Front Axle Drive Shaft and Associated
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–10
Disassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–11
Inspection And Repair . . . . . . . . . . . . . . . .
4C–12
Bushing Replacement . . . . . . . . . . . . . . . .
4C–12
Reassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–13
Shift On The Fly System . . . . . . . . . . . . . . . .
4C–16
Shift On The Fly System and Associated
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–16
Disassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–17
Inspection And Repair . . . . . . . . . . . . . . . .
4C–18
Reassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–20
Main Data and Specifications . . . . . . . . . . . .
4C–23
Special Tools . . . . . . . . . . . . . . . . . . . . . . .
4C–25
Propeller Shaft . . . . . . . . . . . . . . . . . . . . . . . .
4C–26
General Description . . . . . . . . . . . . . . . . . .
4C–26
Universal Joint . . . . . . . . . . . . . . . . . . . . . .
4C–27
Diagnosis of Propeller Shaft and
Universal Joint . . . . . . . . . . . . . . . . . . . . . .
4C–28
Front Propeller Shaft . . . . . . . . . . . . . . . . . . .
4C–29
Front Propeller Shaft and Associated Parts
4C–29
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–29
Installation. . . . . . . . . . . . . . . . . . . . . . . . . .
4C–29
Disassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–30
Universal Joint Disassembly . . . . . . . . . . . .
4C–31
Inspection and Repair. . . . . . . . . . . . . . . . .
4C–32
Universal Joint Reassembly . . . . . . . . . . . .
4C–33
Reassembly . . . . . . . . . . . . . . . . . . . . . . . .
4C–34
Main Data and Specifications . . . . . . . . . . .
4C–35
Rear Propeller Shaft . . . . . . . . . . . . . . . . . . .
4C–36
Rear Propeller Shaft and Associated Parts
4C–36
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–36
Installation. . . . . . . . . . . . . . . . . . . . . . . . . .
4C–36
Slip Joint Disassembly . . . . . . . . . . . . . . . .
4C–37
Universal Joint Disassembly . . . . . . . . . . . .
4C–38
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . .
4C–40
Universal Joint Reassembly . . . . . . . . . . . .
4C–41
Slip Joint Reassembly . . . . . . . . . . . . . . . .
4C–42
Main Data and Specifications . . . . . . . . . . . .
4C–43
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 NEA R THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFER
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, or
other corrosion inhibitors) on threaded fasteners or
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.
4C–2
DRIVE SHAFT SYSTEM
General Description
This publication contains essential removal, installation,
adjustment and maintenance procedures.
The front axle utilizes a central disconnect type front
axle/transfer case system.
The drive axles are completely flexible assemblies,
consisting of inner and outer constant velocity (CV)
drive shaft joints connected by an axle shaft.
For description of front propeller shaft and universal
joint, refer to Front Propeller Shaft in this section.
Diagnosis
Condition
Possible cause
Correction
Oil Leak At Front Axle
Worn or defective oil seal.
Replace the oil seal.
Front axle housing cracked.
Repair or replace.
Oil Leak At Pinion Shaft
Too much gear oil.
Correct the oil level.
Oil seal worn or defective.
Replace the oil seal.
Pinion flange loose or damaged.
Tighten or replace.
Noises In Front Axle Drive Shaft
Joint
Broken or worn drive shaft joints and
bellows (BJ and DOJ).
Replace the drive shaft joints and
bellows.
“Clank" When Accelerating From
“Coast"
Loose drive shaft joint to output
shaft bolts.
Tighten.
Damaged inner drive shaft joint.
Replace.
Shudder or Vibration During
Acceleration
Excessive drive shaft joint angle.
Repair.
Worn or damaged drive shaft joints.
Replace.
Sticking spider assembly (inner
drive shaft joint).
Lubricate or replace.
Sticking joint assembly (outer drive
shaft joint).
Lubricate or replace.
Vibration At Highway Speeds
Out of balance or out of round tires.
Balance or replace.
Front end out of alignment.
Align.
Noises in Front Axle
Insufficient gear oil.
Replenish the gear oil.
Wrong or poor grade gear oil.
Replace the gear oil.
Drive pinion to ring gear backlash
incorrect.
Adjust the backlash.
Worn or chipped ring gear, pinion
gear or side gear.
Replace the ring gear, pinion gear or
side gear.
Pinion shaft bearing worn.
Replace the pinion shaft bearing.
Hub unit bearing worn.
Replace the hub unit bearing.
Differential bearing loose or worn.
Tighten or replace.
Wanders and Pulls
Incorrect front alignment.
Adjust the front alignment.
Steering unit loose or worn.
Tighten or replace.
Tire worn or improperly inflated.
Adjust the inflation or replace.
Front or rear suspension parts loose
or broken.
Tighten or replace.
Front Wheel Shimmy
Hub unit bearing worn.
Replace.
Incorrect front alignment.
Adjust the front alignment.
Worn ball joint or bush.
Replace the ball joint or bush.
Steering unit loose or worn.
Tighten or replace.
Tire worn or improperly inflated.
Replace or adjust the inflation.
Shock absorber worn.
Replace the shock absorber.
DRIVE SHAFT SYSTEM
4C–3
Front Hub and Disc (2WD Model)
Disassembled View
411R200011
EndOFCallout
Disassembly
1. Raise the vehicle with a jack. Support the frame with
chassis stands.
2. Remove the brake caliper from the bracket. Secure
the caliper with a wire so that it does not interfere
with the work process.
Refer to Front disc caliper assembly in Section 5C of
this Manual.
3. Remove the disk rotor
Apply penetrating oil to the bearing and disc rotor
contact surfaces if the surfaces are stuck together
because of rust.
4. Inspect the hub unit bearing. Refer to Inspection
below.
5. Use a dial gauge to measure the bearing axial rattle.
Bearing axial rattle: 0.05 mm max
411R200002
Legend
(1) Disc Rotor
(2) Hub unit, Bearing
(3) Wheel Pin
(4) Bolt
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