Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1730

FRONT SUSPENSION

3C–21

Lower Ball Joint

Lower Ball Joint and Associated Parts

450R200008

EndOFCallout

Removal

1. Raise the vehicle and support the frame with

suitable safety stands.

2. Remove wheel and tire assembly. Refer to Wheel in

this section.

3. Remove the tie-rod end from the knuckle. Refer to

Power Steering Unit in Steering section. 

4. Remove the retaining ring from the front axle driving

shaft to release the shaft from hub(Except 2WD
model). Refer to Front Hub and Disc in Driveline/
Axle section.

5. Support lower control arm with a jack. 

6. Remove lower ball joint nut and cotter pin, then use

remover J–29107 to remove the lower ball joint from
the knuckle.

CAUTION:  Be careful not to damage the ball joint
boot.

901RW163

Legend

(1) Bolt
(2) Lower Ball Joint

(3) Nut
(4) Nut and Cotter Pin

3C–22

FRONT SUSPENSION

7. Remove nut.

8. Remove bolt.

9. Remove lower ball joint.

Inspection and Repair

Make necessary parts replacement if wear, damage,
corrosion or any other abnormal condition are found
through inspection.

• Inspect the lower end boot for damage or grease

leak.     Move the ball joint as shown in the figure to
confirm its normal movement .

• Inspect screw/taper area of ball for damage.

• If any defects are found by the above inspections,

replace the ball joint assembly with a new one. 

450RS026

• After moving the ball joint 4 or 5 times, attach nut

then measure the preload.

Starting torque: 0.5–6.4 N·m (0.4–4.7lb ft)

450RS024

• If the above limits specified are exceeded, replace

the ball joint assembly. 

Installation

1. Install lower ball joint.

2. Install bolt.

3. Install nut and tighten it to the specified torque. 

Torque: 116N·m (85lb ft)

4. Install ball joint nut, then tighten it to the specified

torque with just     enough additional torque to align
cotter pin holes. Install new cotter pin. 

Torque: 147 N·m (108 lb ft)

FRONT SUSPENSION

3C–23

Main Data and Specifications

General Specifications

Torque Specifications

E03R200005

Front suspension

Type

Independent wishbone arms, torsion bar spring with stabilizer 

bar.

Torsion bar spring

Length

1142 mm (45.0in)

Diameter

27.0 mm (1.06 in)

Front shock absorber

Type

Hydraulic, double acting, telescopic

Piston diameter

30.0 mm (1.18 in)

Stroke

Without ISC 

shock 

absorber

125.0 mm 

(4.92 in)

With ISC 

shock 

absorber

120.0mm 

(4.72in)

Compressed 
length

255.0 mm 

(10.04in)

261.0mm 

(10.28 in)

Extended length

380.0 mm 

(14.96in)

381.0mm 

(15.0in)

Stabilizer bar

Diameter

25.0 mm (0.98 in)

3C–24

FRONT SUSPENSION

Special Tools

ILLUSTRATION

TOOL NO.

TOOL NAME

J–8092

Grip

J–45647

Installer; Oil seal

J–39376

Installer; Upper arm 

bushing

J–29775

Remover and Installer

Upper arm bushing

J–36833

Remover and Installer kit;

Lower arm front bushing

J–36834

Remover and Installer kit; 

Lower arm rear bushing

J–36831

Ball joint remover

J–29107

Tie-rod end remover

ILLUSTRATION

TOOL NO.

TOOL NAME