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Humming sound after leaving the car

Discussion in 'Canada' started by Twolemons, Feb 28, 2021.

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  1. Twolemons

    Twolemons Member

    Joined:
    Jan 13, 2021
    Messages:
    37
    Location:
    Canada
    Hi guys,

    I am new to Tesla and just picked up my M3SR+ today. I noticed that after I parked andl eft the car and locked it, the car still makes a humming sound from the frunk. Maybe it is from the heat pump. I tried manually turning of climate control and it still has the sound. Is that normal? Does it go away in a while after the car is parked?

    Thanks.
     
  2. rypalmer

    rypalmer Active Member

    Joined:
    Aug 22, 2014
    Messages:
    1,359
    Location:
    Canada
    Your questions aren't Canada specific. Have you tried searching for answers in the Model 3 forum?
     
    • Helpful x 2
  3. Casmium

    Casmium Member

    Joined:
    Sep 14, 2018
    Messages:
    308
    Location:
    Mississauga
    Fan may stay on for a while after, it also likes to click from time to time when it charges the 12V battery, when i first got mine the smokers at work were concerned by the noises it would make in the parking lot
     
    • Helpful x 1
  4. Vawlkus

    Vawlkus Active Member

    Joined:
    Feb 28, 2017
    Messages:
    1,514
    Location:
    Halifax
    Probably just the battery cooling down for shutdown.
     
  5. Double_J

    Double_J Member

    Joined:
    Oct 11, 2020
    Messages:
    137
    Location:
    Ontario
    I believe it's the fan, my model y does it too
     
  6. GtiMart

    GtiMart Member

    Joined:
    Nov 13, 2019
    Messages:
    532
    Location:
    Quebec City, Canada
    Pumps will circulate the "coolant" all the time the car is awake, to move heat between motors, battery etc. The car can stay awake for 30 min, 1h or even more, there are a lot of factors that can keep it awake. The car will also wake itself up when it feels like it for a few reasons, including cabin overheat protection, 12V battery needs charging etc, Obviously the car cannot sleep while it is charging, you will always hear the pumps in that case. If things get really hot, you could hear the big fans start as well.
    Another thing you could hear is the heat/ac system fan. After you use the car for a while, it might run the fan for a while to dry the evaporator. That is to prevent it from developing bad odors that some people have complained about.
     

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