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Thread: Intrusive sound from the back

  1. #1
    Model S - Sig. 283 EU Right_Said_Fred's Avatar
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    Intrusive sound from the back

    I finally took delivery om my P85 today. It's a stunning car in many ways.

    One thing bothers me a bit though: at high speed the engine is pretty noisy and that's not what I expected. It's a deep monotone noise, coming from the back. It appears at speeds over 100 kmh (62 mph) and starts getting noisier the faster the car goes. At 120 kmh (75 mph), which will be my daily cruising speed, it even sounds like an ICE! If I close my eyes I can't tell whether I'm driving a Tesla or an Audi.

    My Volt is very quiet at such speeds, so I had expected the Model S to be at least as quiet, if not quieter, but instead it produces a pretty intrusive sound. I do have the parcel shelf, so that doesn't play a role. It definitely doesn't sound like tire noise.

    Does anyone have the same experience with their Performance? Is this sound normal or should I have it looked at?
    Model S Signature, P85, Signature Red, 21 inch silver, Black Leather, Pano Roof, Parking Sensors.
    Sold: Fisker Karma. Still own: Chevy Volt

  2. #2
    smrtass. Laumb's Avatar
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    Please, don't close your eyes when doing 75mph...
    EU Model S P1418
    S85, White, 19", Tech, Pano, Air, Sound, Lightning package, Park Assist, Parcel Shelf. VIN: *15231
    Board Presiden, Tesla Owners Club Norway (tocn.no)

  3. #3
    Senior Member steve841's Avatar
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    There are a few reports of this which let to a drive unit replacement ....

    Search "groan" here ...
    Hello, I'm Sig 957!
    VIN 748

  4. #4
    Model S - Sig. 283 EU Right_Said_Fred's Avatar
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    Thank for the advice. Very helpful. And I've learned a new word: ... groan

    If desired a moderator can move this topic to the mechanical issue-topic, where I should have posted in the first place.
    Model S Signature, P85, Signature Red, 21 inch silver, Black Leather, Pano Roof, Parking Sensors.
    Sold: Fisker Karma. Still own: Chevy Volt

  5. #5
    Senior Member AmpedRealtor's Avatar
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    Quote Originally Posted by Right_Said_Fred View Post
    I finally took delivery om my P85 today. It's a stunning car in many ways.

    One thing bothers me a bit though: at high speed the engine is pretty noisy and that's not what I expected. It's a deep monotone noise, coming from the back. It appears at speeds over 100 kmh (62 mph) and starts getting noisier the faster the car goes. At 120 kmh (75 mph), which will be my daily cruising speed, it even sounds like an ICE! If I close my eyes I can't tell whether I'm driving a Tesla or an Audi.

    My Volt is very quiet at such speeds, so I had expected the Model S to be at least as quiet, if not quieter, but instead it produces a pretty intrusive sound. I do have the parcel shelf, so that doesn't play a role. It definitely doesn't sound like tire noise.

    Does anyone have the same experience with their Performance? Is this sound normal or should I have it looked at?
    My brand new P85 also had this issue, I thought it was wheel noise. Service center was told to "replace drive inverter" and that solved the problem.
    VIN #16186 - P85, 19", tech, pano, air, MC red, black perf leather, CF decor & spoiler, parcel shelf, HPWC (available for charging - please contact me)

  6. #6
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    Is the noise kind of like a whine that goes away if you let up on the accelerator?

    I've heard that but it seems like it's not consistent (possibly weather related hot/humid)

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