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Intermittent Drivetrain Noise

During a recent 1,000 mile trip, I noticed my Model S 60D would make a faint noise under acceleration from the front of the car that sounded a little like a diesel engine. Often times, it would be masked by tire or wind noise. The more I pushed the accelerator, the louder the noise would become, but it continued at the same pitch and speed. It only seemed to manifest when the car had been going 70+ mph for a while and disappeared once the car was going slower for a while. It didn't really sound like the milling noise people have posted on YouTube. Has anyone experienced this?
 

scottm

Legacy account
Jun 13, 2014
3,070
2,372
Canada
others have found similar sounds... turned out to be flapping body panel parts, front, lower

hits a resonant frequency (pitch) driving faster raises amplitude (loudness)

it wasn't a matter of loose or missing fasteners, just excessive flexing and rattling at speed due to wind
 

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