Initial Inspection and Diagnostic Overview

Suspension System

Inspection and Verification

1. Road test.
- Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are apparent, refer to vehicle Noise, Vibration, and Harshness. Testing and Inspection


2. Inspect tires.
- Check the tire pressure with all normal loads in the vehicle and the tires cold. Refer to the Vehicle Certification (VC) label.

- Verify that all tires are sized to specification. Refer to the VC (Vehicle Certification) label.

- Inspect the tires for incorrect wear and damage. Install new tires as necessary.


3. Inspect chassis and underbody.

4. Inspect for aftermarket equipment.
- Check for aftermarket changes to the steering, suspension, wheel and tire components (such as competition, heavy duty, etc.). The specifications shown do not apply to vehicles equipped with aftermarket equipment.


Visual Inspection Chart






5. If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to the next step.

6. If the fault is not visually evident, GO to Symptom Chart- Suspension System Symptom Chart - Suspension System or GO to Symptom Chart- NVH Symptom Chart - NVH.