Loud buzz from front when Supercharging?

[yessuz]

So as per topic.
When I plug in for SC I hear loud buzz (HVAC?) And it is there for whole duration of SC, even if charge speed drops to let's say 40 kW orbless

I know that this is caused by HVAC unit (most likely) but do you also have it very loud, or just mild buzz? Will try to make video next time :/

I am worried that although it is OK now (charge speed wise) this might develop into more serious issue

 

[LoudMusic]

Could be the coolant pump trying to keep the electrical systems cooled down.

 

[yessuz]

Could be the coolant pump trying to keep the electrical systems cooled down.

It could be.

Question is if it has yo be so loud, or pump is going to say bye bye soon (when I am in spain,/france SC'ing 3 times a day...

 

[Sean.]

Sounds really bloody obvious, but when its warmer the cooling system during charging is really on overdrive. Mine sounds like a plane waiting to take off sometimes.

 

[yessuz]

Sounds really bloody obvious, but when its warmer the cooling system during charging is really on overdrive. Mine sounds like a plane waiting to take off sometimes.

Sometimes or all the time while charging?

 

[qwickshot]

It’s normal, it’s the heat pump compressor.

It works pretty hard when supercharging to keep the battery and the cabin at the optimal temperature. Particularly in Spain where it’s probably trying to cool the cabin and battery.

A lot of non-Tesla cars can’t cool the cabin and the battery at the same time so they rapid gate (throttle down charging) to stop the battery over heating. To get the maximum speed you have to turn the HVAC off when charging, not exactly ideal even on a sunny day in Britain.

 

[Sean.]

Sometimes or all the time while charging?

Very much temperature dependent as said. Like a small jet engine in really warm weather.

 

[BitJam]

So as per topic.
When I plug in for SC I hear loud buzz (HVAC?) And it is there for whole duration of SC, even if charge speed drops to let's say 40 kW or less

I know that this is caused by HVAC unit (most likely) but do you also have it very loud, or just mild buzz? Will try to make video next time :/

I am worried that although it is OK now (charge speed wise) this might develop into more serious issue

I added sound insulation to the hood/bonnet of the frunk of my Model Y. It didn't silence the HVAC noise but it took the edge off.