Which of the following can be used to diagnose the source of noise? Select one: a. Strut servicing kit b. Air chisel c. Chassis ear d. Scan tool

The correct answer is c. Chassis ear.<br /><br />A chassis ear is a diagnostic tool used to detect and diagnose noise or vibrations coming from the vehicle's chassis or body. It is specifically designed to listen to the sounds produced by the suspension, steering, and other components of the vehicle's chassis. By using a chassis ear, technicians can identify the source of noise and determine if there are any issues with the suspension, steering, or other components that may need repair or replacement.