Visual/Physical Inspection

WARNING: This page does not describe the selected car, but rather 58 other vehicles, including the 2003 Saturn Vue, 2003 Saturn L300, 2003 Saturn Ion 3, 2003 Saturn Ion 2, and 2003 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for aftermarket devices, which could affect the operation of the vehicle. See AFTERMARKET ADD-ON ACCESSORIES under VIBRATION DUPLICATED, COMPONENT NOT IDENTIFIED under VIBRATION DIAGNOSTIC AIDS.
Inspect the easily accessible or visible system components for obvious damage or conditions, which could cause the symptom.
Verify the exact operating conditions under which the concern exists. Note factors such as vehicle speed, road conditions, ambient temperature, and other specifics.
Compare driving characteristics or sounds, if applicable, to a known good vehicle and make sure you are not trying to correct a normal condition.