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Loud popping sound coming from battery pack

RayCanuck

Member
May 29, 2019
87
51
Penticton
When charging sometimes I hear a loud popping sound. Today I’m on a longer trip and I heard many pops. Like a rubber mallet being struck against the undercarriage.
Of course my imagination went right to batteries exploding.... highly doubt that as I’d imaging the computer would surely scream at me....
anyone experience this?
 

Trips

"Boring bonehead questions are not cool. Next?"
Sep 22, 2015
1,216
1,406
Omaha, NE
Very normal to happen. If you disconnect the main battery under the rear seat it makes that pop. The first time I did that I thought I did something terribly wrong.
 

Rottenapplr

Active Member
Apr 6, 2019
1,013
483
LOS ANGELES
This topics belongs to the same class as, “I’m losing range” threads. There’s one every week!
It’s normal. Temp changes. Charge levels. I usually hear this on road trips where I’m charging high usually I don’t hear it during my daily use.
 
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Brady M

Member
May 1, 2019
38
22
Arizona
I heard that Tesla is replacing the "Battery Breathers" under warranty. Has anyone had this done?

I have a May 2019 SR+ that makes this pop when supercharging.
 

qdeathstar

Completely Serious
May 17, 2019
3,198
2,224
VB
Happens to me, thought it was normal.. there was another thread about this... I told the op it was normal bug then three people said it wasn’t normal. Who knows...
 

Henrykaed

Member
Nov 26, 2019
24
31
Fresno
I heard that Tesla is replacing the "Battery Breathers" under warranty. Has anyone had this done?

I have a May 2019 SR+ that makes this pop when supercharging.
I had mine replaced about two months ago. I mentioned the bulletin number when I made the appointment and they told me there are two parts that they could replace to fix the popping sounds. They swapped out one part on mine and told me to give it a few weeks for the new breathers to settle in. I have noticed fewer pops since then and they are a bit quieter, but it still pops. So it doesn't eliminate them entirely.
 

Timmay

Member
Feb 5, 2019
13
5
Colorado Springs
I had mine replaced about two months ago. I mentioned the bulletin number when I made the appointment and they told me there are two parts that they could replace to fix the popping sounds. They swapped out one part on mine and told me to give it a few weeks for the new breathers to settle in. I have noticed fewer pops since then and they are a bit quieter, but it still pops. So it doesn't eliminate them entirely.
+1
 

Niroc

Member
Apr 28, 2019
110
68
Portland Oregon
Wow! Glad that I read this thread. I hear pops too. At first I thought it was rocks hitting under the wheel well. Then, I heard it while using a Super Charger. It doesn’t seem to occur on short trips to work or errands
 

Sklith

Member
Jul 23, 2019
235
197
GA
My first (December 2018) Model 3 used to make those clunk sounds while supercharging way more often than my newer (July 2019) one. I still hear the sound, but it's not nearly as loud or as often as it used to be.
 

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