2002 ISUZU AXIOM power steering

2A±16
POWER±ASSISTED STEERING SYSTEM
Main Data and Specifications
General Specification
Caster2
30' + 1

Camber0
+ 30'
King pin inclination12
30' + 30'
Toe-in 0 to +2 mm (0 to +0.08 in)
Max. steering angleinside32.6
(+0
30' to ±2
30' )
outside31.8

Torque Specification
E02RX001

POWER±ASSISTED STEERING SYSTEM2A±17
Special Tools
ILLUSTRATIONTOOL NO.
TOOL NAME
J±29877±A
Tester;
Power steering
J±39213
Adapter;
Power steering tester

2A±18
POWER±ASSISTED STEERING SYSTEM
Power Steering Unit
Power Steering Unit and Associated Parts
440R100001
Legend
(1) Bracket
(2) Transfer Gear Assembly(3) Universal Joint Assembly
(4) Power Steering Unit Assembly
(5) Crossmember
Removal
1. Remove the stone guard.
2. Remove the transfer gear assembly and universal
joint assembly.
Make a setting mark across the coupling flange and
transfer gear assembly to ensure reassembly of the
parts in the original position.
3. Drain power steering fluid.
4. Remove the tie rod end assembly from knuckle.
Use tie rod end remover J±29107.
433RW002

POWER±ASSISTED STEERING SYSTEM2A±19
5. Disconnect the feed line and return line from steering
unit.
Remove the clips on the crossmember and frame.
Wire the power steering line to frame.
NOTE: Take care to prevent foreign matter from entry
when disconnect the power steering line.
435RW001
4y4 model:
1. Remove the torsion bar. Refer to
Front Suspension in
Suspension
section.
2. Remove the lower control arm bolt (Frame side).
Refer to
Front Suspension in Suspension section.
3. Apply a setting mark across the crossmember and
frame so parts can be reassembled in their original
position.
431RX013
4. Remove the crossmember fixing bolt.
5. Remove the power steering unit with the
crossmember.6. Remove the power steering unit.
4y2 model:
1. Remove the power steering unit from the
crossmember.
Installation (4y2 Model)
1. Install power steering unit to crossmember.
Tighten fixing bolt to specified torque.
Torque: 116 N´m (85 lb ft)
2. Connect the feed line and return line.
Torque: 25 N´m (18 lb ft)
3. Install tie±rod end assembly to knuckle.
Torque: 118 N´m (87 lb ft)
4.
a. Align the setting marks made at removal.
Install the universal joint assembly to the transfer
gear assembly.
Temporary tighten the universal joint bolt.
b. Install the universal joint assembly to the power
steering unit assembly.
Temporary tighten the universal joint bolt.
c. Install the transfer gear assembly with the shim to
frame.
Torque: 54 N´m (40 lb ft)
d. Tighten the universal joint bolt to the specified
torque.
Torque: 31 N´m (23 lb ft)
5. Install the stone guard.
6. Bleed the system.
Refer to
Bleeding the Power Steering System in this
section.
Installation (4y4 Model)
1. Install power steering unit to crossmember.
Tighten fixing bolt to specified torque.
Torque: 116 N´m (85 lb ft)
2. Install power steering unit with crossmember to frame
by aligning the setting marks made when removing.
Tighten crossmember mounting bolt to specified
torque.
Torque: 173 N´m (128 lb ft)
3. Install lower control arm bolt.
Refer to
Front Suspension in Suspension section.
4. Install torsion bar.
Refer to
Front Suspension in Suspension section.
5. Connect the feed line and return line.
Torque: 25 N´m (18 lb ft)
6. Install tie±rod end assembly to knuckle.
Torque: 118 N´m (87 lb ft)

2A±20
POWER±ASSISTED STEERING SYSTEM
7.
a. Align the setting marks made at removal.
Install the universal joint assembly to the transfer
gear assembly.
Temporary tighten the universal joint bolt.
b. Install the universal joint assembly to the power
steering unit assembly.
Temporary tighten the universal joint bolt.
c. Install the transfer gear assembly with the shim to
frame.
Torque: 54 N´m (40 lb ft)
d. Tighten the universal joint bolt to the specified
torque.
Torque: 31 N´m (23 lb ft)8. Install the stone guard.
9. Bleed the system.
Refer to
Bleeding the Power Steering System in this
section.
Power Steering Unit Disassembled View
440R100002
Legend
(1) Tie-rod End
(2) Lock Nut
(3) Clip
(4) Bellows
(5) Band(6) Tie-rod Assembly
(7) Tab Washer
(8) Oil Line
(9) Valve Housing Assembly
(10) Mounting Rubber
(11) Dust Cover

POWER±ASSISTED STEERING SYSTEM2A±21
Disassembly
NOTE: The valve housing is made of aluminum and care
should be exercised when clamping in a vise, etc. to
prevent distortion or damage.
1. Loosen lock nut and remove tie±rod end.
2. Remove clip (3) and band (5), then remove bellows
(4).
3. Remove tie-rod assembly.
To remove, move the boot toward the tie-rod end,
then remove tab washer.
4. Remove oil line, mounting rubber and dust cover.
Inspection and Repair
Inspect the following parts for wear, damage or any
abnormal conditions.
Tie-rod End
If looseness or play is found when checked by moving the
end of ball joint at tie-rod end, replace tie-rod end.
Tie-rod Assembly
If the resistance is insufficient or play is felt when checked
by moving the ball on the tie-rod, replace the tie-rod
assembly.
Rubber Parts
If wear or damage is found through inspection, replace
with new ones.
Reassembly
1. Install mounting rubber and dust cover (If removed).
2. Install oil line.
Torque: 13 N´ m (113 lb in)
3. Install tie-rod assembly with tab washer.
Apply grease to ball joint, install tie-rod and tab
washer, then tighten to specified torque.
Torque: 83 N´m (61 lb ft)
After tightening, bend tab washer against width
across flat of inner ball joint.
4. Apply a thin coat of grease to the shaft for smooth
installation. Then install bellows.
5. Install band and clip.
6. Install tie-rod end and tighten lock nut.
Torque: 98 N´m (72 lb ft)

2A±22
POWER±ASSISTED STEERING SYSTEM
Main Data and Specifications
General Specifications
Power Steering unitTypeRack and pinion
Rack stroke152 mm (5.98 in)
Lock to lock3.64
Torque Specifications
440R100003
Special Tools
ILLUSTRATIONTOOL NO.
TOOL NAME
J±29107
Tie rod end remover

POWER±ASSISTED STEERING SYSTEM2A±23
Power Steering Pump
Power Steering Pump and Associated Parts
436RX001
Legend
(1) Pump Assembly
(2) Hose, Suction(3) Hose, Flexible
(4) Bolt
Removal
1. Remove the drive belt.
2. Place a drain pan below the pump.
3. Disconnect the suction hose.
4. Disconnect the flexible hose.
5. Remove the power steering fixing bolt and remove
the pump assembly.
Installation
1. Install the pump assembly to the pump braket, tighten
the fixing bolt to the specified torque.
Torque: 46 N´m (34 lb ft)
2. Install the flexible hose.
Tighten the eye bolt to specified torque.
Torque: 54 N´m (40 lb ft)
3. Install the drive belt.
4. Connect the suction hose, then fill and bleed system.
Refer to
Bleeding the Power Steering System in this
section.