Initial Inspection and Diagnostic Overview

Inspection and Verification
1. Road test the vehicle
^ Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are present, refer to Vehicle/Testing and Inspection.
2. Inspect the 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 label.
^ Inspect the tires for incorrect wear and damage. Install new tires as necessary.
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 and wheel and tire components (such as competition or heavy duty) The specifications shown in this manual do not apply to vehicles equipped with aftermarket equipment.
5. Visually inspect for obvious signs of mechanical damage.

Visual Inspection Chart

Visual Inspection Chart:

6. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
7. If the cause is not visually evident, verify the symptom and refer to the GO to Symptom Chart. Symptom Related Diagnostic Procedures