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Model Y A/C issues

bghall62

Member
Feb 7, 2018
5
0
fort worth, tx
I test drove a MY today for the 2nd time as I try to decide whether to trade my M3 in. Both times the AC didn’t seem to cool very quickly. Just wandering if others have said this is an issue in the MY? This is a big issue for me in Texas heat.
 

tonyb99

Member
Mar 22, 2020
183
104
Tucson
I find the a/c cools the car down very quickly (temps are running 100-110 here). I do however wish I could turn on the passenger vents for more rapid cooling when starting with a hot car.
 

noshadow

Member
Mar 18, 2020
444
288
Berkeley, CA
I find the a/c cools the car down very quickly (temps are running 100-110 here). I do however wish I could turn on the passenger vents for more rapid cooling when starting with a hot car.

You can actually do this by tapping on that side in the graphic when adjusting your own air flow. You can also tap the small "back seat" vents button as well.
 
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MY-Y

Member
Mar 4, 2020
973
1,064
MD
I turned my AC to max 15 minutes before getting to my car on a 90* day. (It was in the shade though.) Clearly the AC was a lot more powerful than I expected. Imagine my surprise seeing my windows sweating on the outside and a frigid seat.
20200827_193010.jpg
 

M0del Yada

Member
Jun 23, 2020
58
18
Florida
You can actually do this by tapping on that side in the graphic when adjusting your own air flow. You can also tap the small "back seat" vents button as well.

Not to sound dumb... But where is the small back seat button your referring to? I'd love to be able to turn on the back air.
 

MY-Y

Member
Mar 4, 2020
973
1,064
MD
Not to sound dumb... But where is the small back seat button your referring to? I'd love to be able to turn on the back air.

Bottom right of the AC screen turns on the back. Tapping where the passenger's side control where the air flow would be if it was on will turn on the passenger's side.
 
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JimCan

New Member
Sep 3, 2020
4
0
Fountain Hills, AZ
I test drove a MY today for the 2nd time as I try to decide whether to trade my M3 in. Both times the AC didn’t seem to cool very quickly. Just wandering if others have said this is an issue in the MY? This is a big issue for me in Texas heat.
The new heat pump in the Y seems to have some serious issues handling high temperatures as found in Florida, Arizona and Texas. My Y has had a/c issues all summer...I'm in AZ. Seems to me that the new heat pump was not thoroughly tested and Tesla is trying to rework the design of the system to be able to function in hot climates. NOT GOOD!
 

Protect1989

Member
Jul 14, 2020
376
360
Dallas, TX
Glad I found this thread as I’ve been having the same issues.

compared to my Model 3, the a/c in the Y is far worse. I feel like the fan speeds are slower and it take a while for the air to get cold (even then not as cold as the 3). I have mobile service coming out on Tuesday so I’ll ask them about it
 

ElementPowder

Member
Nov 29, 2017
175
81
AZ
The new heat pump in the Y seems to have some serious issues handling high temperatures as found in Florida, Arizona and Texas. My Y has had a/c issues all summer...I'm in AZ. Seems to me that the new heat pump was not thoroughly tested and Tesla is trying to rework the design of the system to be able to function in hot climates. NOT GOOD!

I am in AZ also, My AC had gone out once already and tesla said it was a sensor, its been working better then it was, Not as cold as the Model 3 tho.
My bigger issue i have noticed is my Y drains range with the AC on. My PY i can drive with the AC off and be 250-280 wi/mi. but same drive with AC on it will stay 400-460 (same exact driving around town at about 45mph)
 

mycroftxxx

Member
Jun 14, 2020
112
51
Left Coast
It’s brutally hot in SoCal today; was driving earlier today with an indicated outside air temp (OAT for the aircraft cognoscenti :cool:) of 112, and the AC was cranking but keeping it cool. I could see the effect in my Wh/mi though, maybe about a 10-15% delta from typical for that location (or about the same efficiency degradation as in an ICE car under similar circumstances).
 

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