AERO ELITE NAVISTAR

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Interior Noise Test Data Form

Test Condition 3: Audible Vibration Test

Date 2015-11-17
Personnel T.S.,E.D.,S.R. & C.S.
Temperature (°F) 60
Humidity (%)
Wind Direction
Wind Speed (MPH)
Barometric Pressure (in.Hg)
Source of Noise Location
Engine and Accessories None noted.
Windows and Doors None noted.
Seats and Wheel Chair lifts None noted.
Comment on any other vibration or noise source which may have occurred that is not described above:
A loud vibration noise was detected on the left side,behind driver, under the first four passenger seats. Vibrates when bus is stopped. Evaporator unit left side beside DEF tank.