389 Copyright by Goodheart-Willcox Co., Inc. Aft er studying this chapter, you will be able to: • Use the seven-step procedure to troubleshoot suspension and steering problems. • Question vehicle drivers concerning suspension and steering problems. • Safely road test vehicles to verify suspension and steering system problems. • Isolate suspension and steering problems from other vehicle problems. • Use correct diagnosis charts and test procedures. • Inspect suspension and steering components for complaints related to wear and damage. • Determine what repairs must be made to correct suspension and steering problems. • Explain the basic principles of noise, vibration, and harshness (NVH) diagnosis. fi rst-order vibration logic neutral coast down test neutral run up test noise, vibration, and harshness (NVH) diagnosis order root cause second-order vibration seven-step diagnostic process strategy-based troubleshooting Suspension and Steering Troubleshooting Chapter 18 Technical Terms