Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual - part 43

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 SYSTEM

2A–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

4

×

4 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.

4

×

2 model:

1. Remove the power steering unit from the

crossmember.

Installation (4

×

2 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 (4

×

4 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 SYSTEM

2A–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)