Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Suspension system
PROBLEM SYMPTOMS - SUSPENSION SYSTEM
| Symptom | Suspected Area | Refer To |
|---|---|---|
| Vehicle sways | Tire (worn or improperly inflated) | INSPECTION |
| Front wheel alignment (incorrect) | FRONT WHEEL ALIGNMENT | |
| Rear wheel alignment (incorrect) | REAR WHEEL ALIGNMENT | |
| Front hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Rear hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Pneumatic cylinder with front shock absorber (worn) | FRONT SHOCK ABSORBER | |
| Pneumatic cylinder with rear shock absorber (worn) | REAR SHOCK ABSORBER | |
| Bottoming | Vehicle (overloaded) | - |
| Pneumatic cylinder with front shock absorber (worn) | FRONT SHOCK ABSORBER | |
| Pneumatic cylinder with rear shock absorber (worn) | REAR SHOCK ABSORBER | |
| Height control compressor | INSPECTION | |
| No 1 height control valve | INSPECTION | |
| No 2 height control valve | INSPECTION | |
| Vehicle/pulls | Tire (worn or improperly inflated) | INSPECTION |
| Front wheel alignment (incorrect) | FRONT WHEEL ALIGNMENT | |
| Rear wheel alignment (incorrect) | REAR WHEEL ALIGNMENT | |
| Pneumatic cylinder with front shock absorber (worn) | FRONT SHOCK ABSORBER | |
| Pneumatic cylinder with rear shock absorber (worn) | REAR SHOCK ABSORBER | |
| Steering linkage (loose or worn) | - | |
| Front hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Rear hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Steering gear (out of adjustment or broken) | REMOVAL | |
| Suspension parts (worn) | - | |
| Wheel shimmy | Tire (worn or improperly inflated) | INSPECTION |
| Wheel (out of balance) | INSPECTION | |
| Front wheel alignment (incorrect) | FRONT WHEEL ALIGNMENT | |
| Rear wheel alignment (incorrect) | REAR WHEEL ALIGNMENT | |
| Pneumatic cylinder with front shock absorber (worn) | FRONT SHOCK ABSORBER | |
| Pneumatic cylinder with rear shock absorber (worn) | REAR SHOCK ABSORBER | |
| Front No 1 suspension upper arm (worn) | FRONT UPPER SUSPENSION ARM | |
| Front No 2 suspension upper arm (worn) | FRONT UPPER SUSPENSION ARM | |
| Front No 2 suspension lower arm (worn) | FRONT LOWER SUSPENSION ARM | |
| Front lower ball joint (worn) | FRONT LOWER BALL JOINT | |
| Rear upper No 1 control arm (worn) | REAR UPPER ARM | |
| Rear upper No 2 control arm (worn) | REAR UPPER ARM | |
| Rear No 1 suspension arm (worn) | REAR LOWER ARM | |
| Front hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Rear hub bearing (worn) | ON-VEHICLE INSPECTION | |
| Steering link assembly (out of adjustment) | - | |
| Steering gear (out of adjustment or broken) | REMOVAL | |
| Abnormal tire wear | Tire (worn or improperly inflated) | INSPECTION |
| Front wheel alignment (incorrect) | FRONT WHEEL ALIGNMENT | |
| Rear wheel alignment (incorrect) | REAR WHEEL ALIGNMENT | |
| Pneumatic cylinder with front shock absorber (worn) | FRONT SHOCK ABSORBER | |
| Pneumatic cylinder with rear shock absorber (worn) | REAR SHOCK ABSORBER | |
| Suspension parts (worn) | - |