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Loud 'thunk' from dash area

Discussion in 'Model S: Interior & Exterior' started by Stefan, Apr 14, 2013.

  1. Stefan

    Stefan New Member

    Joined:
    Apr 14, 2013
    Messages:
    2
    Location:
    Winnipeg, Canada
    I have noticed an intermittent loud 'thunk' noise from the front/dash area, seemingly only when the heater is on. It is fairly strong, at least to me, akin to the sound of what warping sheet metal (under temperature changes) may do (or a big spring unloading). Sometimes, there has also been a transient vibration, as if I have an ICE engine/transmission in front of me. Anybody else with the same observations? Anything to worry about?
     
  2. Jason S

    Jason S Model S Sig Perf (P85)

    Joined:
    Apr 20, 2012
    Messages:
    1,350
    Location:
    Rocklin, CA
    Don't know what the thunk might be, but I have noticed the HVAC system does make a lot of noise plus the vibration.

    Do you get the noises without the car moving?
     
  3. jerry33

    jerry33 S85 - VIN:P05130 - 3/2/13

    Joined:
    Mar 8, 2012
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    12,762
    Location:
    Texas
    I have that too, but I've traced it to items in the centre tray.
     
  4. Stefan

    Stefan New Member

    Joined:
    Apr 14, 2013
    Messages:
    2
    Location:
    Winnipeg, Canada
    It is definitely not from anything placed loosely in the cabin. It does happen when the car is stationary but 'on,' again with the heater on.
     
  5. mknox

    mknox Well-Known Member

    Joined:
    Aug 7, 2012
    Messages:
    8,568
    Location:
    Toronto, ON
    Ditto. I traced it to my J1772 adapter rolling around in the center tray.
     

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