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Rear water sloshing sound during L2 charging

HapticWagon

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I get this water sloshing sound in the rear of my Gen2 R1S Tri. Sometimes during charging, and up to 1 hour after L2 charging finished.
It is ~55° in my garage.

Two questions:
I assume this is battery conditioning? Surprised to hear it in rear of car?

almost sounds like there is not enough fluid in the system? Like it is trying to suck up fluid but is getting air or there is air bubbles in system?

did anyone else notice this sound?


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Oldsmobile_Mike

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Sounds a bit like a washing machine? Does it also do it if you use a supercharger? Interested to hear what other comments say.
 
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HapticWagon

HapticWagon

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Yes washing machine is a good analogy. I haven’t tried L3 charging yet 😅 haven’t needed to.
 

LR4toR1S

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My Mach E sounds like a washing machine filling for a rinse cycle during the initial stages of charging. This isn't abnormal for BEVs in general.
 

Yossarian

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I get a moderately loud whirring sound from the frunk area during L2 charging on my G1 R1T, but only in colder temps. I assumed it had to do with battery conditioning and was more or less normal. Haven't yet charged at a DCFC.
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