Noise, Localizing

Special tools
	T9814108 CHASSIS EAR  Tool number:  T9814108 Tool description:  CHASSIS EAR Tool boards:

9814108

Read the manual that is supplied with the instrument.

Position the microphone at the location where the noise is suspected to originate. Attach the transmitters securely.

Drive the vehicle, listen to one duct at a time. Note where the noise is most clear.

Move one or more of the microphones to successively encircle the noise.