Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1110

3D–2

REAR SUSPENSION

Diagnosis

Condition

Possible cause

Correction

Vehicle Pulls

Mismatched or uneven tires.

Replace tire.

Tires not adequately inflated.

Adjust tire pressure.

Broken or sagging springs.

Replace spring.

Radial tire lateral force.

Replace tire.

Improper wheel alignment.

Adjust wheel alignment.

Brake dragging in one wheel.

Repair brake.

Loose, bent or broken front or rear
suspension parts.

Tighten or replace the appropriate
suspension part(s).

Faulty shock absorbers.

Replace shock absorber.

Parts in power steering valve
defective.

Replace power steering unit.

Abnormal or Excessive Tire Wear

Sagging or broken spring.

Replace spring.

Tire out of balance.

Balance or replace tire.

Improper wheel alignment.

Check front end alignment.

Faulty shock absorber.

Replace shock absorber.

Hard driving.

Replace tire.

Overloaded vehicle.

Replace tire and reduce load.

Tires not rotated periodically.

Replace or rotate tire.

Worn or loose road wheel bearings.

Replace wheel bearing.

Wobbly wheel or tires.

Replace wheel or tire.

Tires not adequately inflated.

Adjust the pressure.

Wheel Hop

Blister or bump on tire.

Replace tire.

Improper shock absorber operation.

Replace shock absorber.

Shimmy, Shake or Vibration

Tire or wheel out of balance.

Balance  wheels  or  replace  tire/or
wheel.

Loose wheel bearings.

Replace wheel bearing.

Worn steering linkage ball joints.

Replace ball joints.

Worn upper or lower end ball joints.

Replace ball joints.

Excessive wheel runout.

Repair or replace wheel and/or tire.

Blister or bump on tire.

Replace tire.

Excessive loaded radial runout of
tire/wheel assembly.

Replace tire or wheel.

Improper wheel alignment.

Check wheel alignment.

Loose or worn steering linkage.

Tighten or replace steering linkage.

Loose steering unit.

Tighten steering unit.

Tires not adequately inflated.

Adjust tire pressure.

Loose, bent or broken front or rear
suspension parts.

Tighten or replace the appropriate
suspension parts.

Faulty shock absorber.

Replace shock absorber.

Hub bearing preload misadjustment.

Adjust preload.

Parts in power steering valve
defective.

Replace power steering unit.

REAR SUSPENSION

3D–3

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.

Misassemble Transfer Gear ASM

Reassemble 

Transfer 

Gear 

to

proper portion

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.

Condition

Possible cause

Correction

3D–4

REAR SUSPENSION

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.

Erratic Steering When Braking

Worn wheel bearings.

Replace wheel bearings.

Broken or sagging springs.

Replace spring (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.

Trim Height out of spec

Adjust Trim height

Suspension Bottoms

Vehicle overloaded. 

Reduce load.

Faulty shock absorber.

Replace shock absorber.

Incorrect, broken or sagging
springs.

Replace springs.

Body Leans

Trim Height out of spec

Adjust Trim height

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.

Condition

Possible cause

Correction

REAR SUSPENSION

3D–5

Coil Spring

Coil Spring and Associated Parts

460R200004

EndOFCallout

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.

Legend

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

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