Initial Inspection and Diagnostic Overview

Inspection and Verification
1. Road test.
^ If any suspension alignment or ride height concerns are present, GO to Symptom Chart - Suspension System. Symptom Related Diagnostic Procedures
^ Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are present, GO to Symptom Chart - Noise, Vibration and Harshness (NVH). Symptom Chart - Noise, Vibration and Harshness (NVH)
2. Inspect tires.
^ Check the tire pressure with all normal loads in the vehicle and with the tires cold. Refer to the vehicle certification (VC) label.
^ Verify that all tires are sized to specification.
^ Inspect the tires for incorrect wear and damage.
3. Inspect chassis and underbody.
^ Remove any excessive accumulation of mud, dirt or road deposits from the 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 in this manual do not apply to vehicles equipped with aftermarket equipment.

Visual Inspection Chart

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 or GO to Symptom Chart - Noise, Vibration and Harshness (NVH). Symptom Related Diagnostic Procedures Symptom Chart - Noise, Vibration and Harshness (NVH)