Initial Inspection and Diagnostic Overview

Inspection and Verification
1. Road test the vehicle.
^ Verify the customer's concern by carrying out a road test on a smooth road.
2. Inspect the tires.
^ Check the tire pressure with all normal loads in the vehicle and the tires cold. For additional information, 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 the 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 or heavy duty). The specifications shown 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, determine the symptom. GO to Symptom Chart. Symptom Related Diagnostic Procedures