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Thread: Loud Revving Noise while driving

  1. #1
    Member UMD86's Avatar
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    Loud Revving Noise while driving

    Has anyone experienced a medium to loud revving noise while driving? It sounds like an ICE engine revving and I think it comes from the front of the car.

    Also, as I come to a stop, there's a whining noise in the front of the car. It's a loud whining that starts out as a high pitch and decreases after a few seconds to zero noise.

    Very strange.
    Model S Res. #12,568 (NJ), Model X Res. #1,681 (Honolulu)
    Blue Metallic, Grey, Obeche Gloss, Perf, 21", Pana, Armor, HPWC,Tech, Sound, Escort Radar
    Finalized: Jan. 10th
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    Delivered: Mar. 20th

    http://www.teslacountdown.com/models...ime=0000000000 http://www.teslacountdown.com/modelx...ime=1345435200

  2. #2
    Blue 85kWh "Electron" Stoneymonster's Avatar
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    Do you have the A/C running? The compressor can make a pretty loud noise sometimes and even vibrate the steering wheel. If so, try turning it off and see if it goes away.

  3. #3
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    Just got my car back from service and had them look at this. The A/C compressor is made by an auto parts supplier and this compressor was built to be high-efficiency for hybrids. It does sound almost like a turbine when it's particularly hot out, but it's considered normal. However, they're looking at ways to address this (some folks have had the service centers implement one-off fixes), but there's no "standard" fix yet. Essentially pre-cool the cabin on hot days as the sound/vibration goes away once the A/C isn't working as hard, and hope they find a permanent fix.

  4. #4
    Model S (Res#P12,447)
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    I don't really mind the loud revving sound so much, but mine has a hint of a squeak... And when you get out of the car and the A/C turns off, it'll squeak pretty loud as it winds-down to a stop...

  5. #5
    R#350 R#1323 Sig26 8136 NEWDL's Avatar
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    It is the fan in the driver side front bumper that forces air through the radiator for the compressor. It squeaks/squeals sometimes. You should have service take a look. It can happen when charging at higher amperage as well...

  6. #6
    Senior Member mknox's Avatar
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    Quote Originally Posted by UMD86 View Post
    Has anyone experienced a medium to loud revving noise while driving? It sounds like an ICE engine revving and I think it comes from the front of the car.
    On the first real hot day here, I noticed that too. Obviously the a/c compressor, but it is quite loud and even causes vibration in the car. I can feel it if I use the touch screen or just place my hand on the dash. Not particularly elegant for such an expensive car, and don't give me that "it's because there's no ICE to mask it" nonsense. It's way louder than the ICE and the a/c in any previous car I've had. It does seem to throttle back after a while, but if it roars like that when we get the real hot weather of summer, Service is going to have to take a look.
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  7. #7
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    I have this issue as well... The car is in the service center today to have it resolved. Apparently the solution is to re-orient/route the wiring harness. I'll let you know tonight/tomorrow if it's fixed.

  8. #8
    Member UMD86's Avatar
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    Quote Originally Posted by NEWDL View Post
    It is the fan in the driver side front bumper that forces air through the radiator for the compressor. It squeaks/squeals sometimes. You should have service take a look. It can happen when charging at higher amperage as well...
    That's very true too. I've noticed that.
    Model S Res. #12,568 (NJ), Model X Res. #1,681 (Honolulu)
    Blue Metallic, Grey, Obeche Gloss, Perf, 21", Pana, Armor, HPWC,Tech, Sound, Escort Radar
    Finalized: Jan. 10th
    Est. Delivery: Feb 28th - Mar 15th
    Delivered: Mar. 20th

    http://www.teslacountdown.com/models...ime=0000000000 http://www.teslacountdown.com/modelx...ime=1345435200

  9. #9
    Happy Model S Owner
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    My compressor is also noticeably loud, and shaking the car.

    ADN, when you say that the solution is to re-orient the wiring harness, is that for the whine, or for the loud compressor noise?
    I take "Electro", my amazing Model S, to the train station: yes, it's a station wagon

  10. #10
    P #130 kishdude's Avatar
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    The temps here in Phoenix are pushing to over a 100. I do get this noise, vibration, but only when I first start the car and get going. It is pretty much gone after about a minute. Although it is loud in the beginning, I'm not bothered by it since it only lasts a minute.

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