Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 58

REAR SUSPENSION

3D–3

Condition

Correction

Possible cause

Hard Steering

Bind in steering linkage ball studs,
upper or lower ball joint.

Replace ball joint.

Improper wheel alignment.

Check wheel alignment.

Tire not adequately inflated.

Inflate tires to proper pressure.

Bind in steering column or shaft.

Repair or replace.

Improper power steering system
operation.

Repair or replace. Refer to 

Steering

section.

Too Much Play In Steering

Wheel bearings worn.

Replace wheel bearings.

Loose steering unit or linkage.

Retighten or repair.

Worn or loose steering shaft
universal joint.

Retighten or replace steering shaft.

Worn steering linkage ball joints.

Replace ball joints.

Worn upper or lower end ball joints.

Replace ball joints.

Poor Steering Wheel Returnability

Bind in steering linkage ball joints.

Replace ball joints.

Bind in upper or lower ball joints.

Replace ball joints.

Bind in steering column and shaft.

Repair or replace.

Bind in steering gear.

Check and repair steering gear.

Improper wheel alignment.

Adjust wheel alignment.

Tires not adequately inflated.

Adjust pressure.

Loose steering wheel nut.

Retighten.

Worn wheel bearing.

Replace.

Abnormal Noise

Worn, sticky or loose upper or lower
ball joint, steering linkage ball joints
or drive axle joints.

Replace.

Faulty shock absorbers.

Replace.

Worn upper or lower control arm
bushing.

Replace.

Loose stabilizer bar.

Retighten bolts or replace bushings.

Loose wheel nuts.

Tighten nuts. Check for elongated
wheel nut holes. Replace wheel if
required.

Loose suspension bolts or nuts.

Retighten suspension bolts or nuts.

Broken or otherwise damaged wheel
bearings.

Replace wheel bearing.

Broken suspension springs. 

Replace spring.

Loose steering unit. 

Retighten mounting bolt.

Faulty steering unit.

Replace steering unit.

Wandering or Poor Steering Stability

Mismatched or unevenly worn tires.

Replace tire or inflate tires to proper
pressure.

Loose steering linkage ball joints.

Replace ball joints.

Faulty shock absorbers.

Replace shock absorber.

Loose stabilizer bar.

Tighten or replace stabilizer bar or
bushings.

Broken or sagging springs.

Replace spring (pairs).

Improper wheel alignment.

Adjust wheel alignment.

3D–4

REAR SUSPENSION

Condition

Correction

Possible cause

Erratic Steering When Braking

Worn wheel bearings.

Replace wheel bearings.

Broken or sagging springs.

Replace spring (In pairs).

Leaking caliper.

Repair or replace caliper.

Warped discs.

Replace brake disc.

Badly worn brake pads.

Replace brake pads.

Tires are inflated unequally.

Inflate tires to proper pressure.

Low or Uneven Trim Height

Broken or sagging springs.

Replace springs (In pairs).

Vehicle overloaded.

Reduce load.

Incorrect springs.

Adjust or replace torsion bar.

Suspension Bottoms

Vehicle overloaded. 

Reduce load.

Faulty shock absorber.

Replace shock absorber.

Incorrect, broken or sagging springs.

Replace springs.

Body Leans

Loose stabilizer bar.

Tighten stabilizer bar bolts or replace
bushings.

Faulty shock absorber, struts or
mounting.

Replace shock absorber.

Broken or sagging springs.

Replace springs (In pairs).

Vehicle overloaded.

Reduce load.

Cupped Tires

Worn wheel bearings.

Replace wheel bearing.

Excessive tire or wheel run out.

Replace tire or wheel.

Worn ball joints.

Replace ball joints.

Tire out of balance.

Adjust tire balance.

REAR SUSPENSION

3D–5

Coil Spring

Coil Spring and Associated Parts

460R200001

Legend

(1) Stabilizer Bar
(2) Upper Link Fixing Bolt and Nut
(3) Rubber Plate

(4) Coil Spring
(5) Insulator
(6) Shock Absorber
(7) Breather Hose

Removal

1. Raise the vehicle and support the frame with suitable

safety stands.

2. Support the rear axle case with a jack.
3. Disconnect brake hose at the crossmember.
4. Remove breather hose.
5. Remove upper link fixing bolt, nut and rubber plate on

the rear axle case (left-side only).

6. Disconnect the stabilizer bar at the stabilizer link.
7. Remove the shock absorber from the axle case.
8. Remove spring insulator.
9. Remove the insulator and coil spring while lowering

the rear axle case.

CAUTION: Be sure not to let the brake hose, parking
brake cable, and breather hose extend to their full
length.

3D–6

REAR SUSPENSION

Inspection and Repair

Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal condition are
found through inspection.
Check the following parts:

D

Coil spring

D

Insulator

Installation

1. Install coil spring and make sure that the coil spring is

installed in the proper position.  Paint mark(1) should
be downward.

460RW001

2. Fit the end of the coil spring to the coil spring seat and

mount the coil spring on the rear axle case.

460RW004

3. Install the insulator on the coil spring.  Jack up the axle

case gently with the top of the coil spring set to the
spring seat on the frame side.

460RW013

4. Install shock absorber and make sure that installed in

the proper position. (Refer to 

Intelligent Suspension)

Tighten the nut lightly, then retighten it to the specified
torque after the vehicle is at curb height.

NOTE: When mounting shock absorber, be sure not to
use grease on bushings or any other nearby part.

Torque: 78 N·m (58 lb ft)

5. Install stabilizer bar.

Torque: 31 N·m (23 lb ft)

6. Install upper link with rubber plate and tighten fixing

bolt.

Torque: 137 N·m (101 lb ft)

7. Install breather hose.
8. Connect brake hose and bleed the brake system.

Refer to 

Bleeding the Brake Hydraulic System in

Brake section.