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Compressor much louder after v7 update

JonathanD

Member
Apr 21, 2014
432
520
OC, CA
Hi all,

Curious if anyone else has experienced this. My compressor has always been loud, plan on having them take a look when I bring it in for its first service, but if it was being annoying I used to be able to quiet it by turning climate off and on. No longer. Now it's very loud and doesn't turn off even with climate off. It was 80ish degrees today, so not outrageously hot. 11.5k miles on a 2014 S60. Planning on taking it in sooner rather than later now.
 

Discoducky

P100DL, 2021 M3, 3 CT reservations and counting
Dec 25, 2011
3,426
3,284
Seattle
The compressor should make less noise now with v7, but it really depends if the battery is hot or supercharging makes it kick on to high.

Do you have the sound dampening service bulletin applied? I have a 2013 S60 and the noise is reduced with the dampening and also with v7, but it is not that hot in Seattle these days.
 

AmpedRealtor

Well-Known Member
Jun 30, 2013
6,351
3,346
Phoenix, AZ
Hi all,

Curious if anyone else has experienced this. My compressor has always been loud, plan on having them take a look when I bring it in for its first service, but if it was being annoying I used to be able to quiet it by turning climate off and on. No longer. Now it's very loud and doesn't turn off even with climate off. It was 80ish degrees today, so not outrageously hot. 11.5k miles on a 2014 S60. Planning on taking it in sooner rather than later now.

Remember that the AC can run to cool the battery even when you have turned AC off in the cabin. In this case, you would still hear the compressor running.
 

JonathanD

Member
Apr 21, 2014
432
520
OC, CA
Understood the battery may need cooling as well, but didn't seem like a situation where it would be that hot. Wasn't being supercharged, not a super hot day, had not been driving for very long or very fast. Anyway, dropped a note to the service center to schedule an appt, will report back what they say.
 

AmpedRealtor

Well-Known Member
Jun 30, 2013
6,351
3,346
Phoenix, AZ
Understood the battery may need cooling as well, but didn't seem like a situation where it would be that hot. Wasn't being supercharged, not a super hot day, had not been driving for very long or very fast. Anyway, dropped a note to the service center to schedule an appt, will report back what they say.

I've noticed the compressor ramping up much faster and stronger in v7, Tesla has improved how quickly the car cools down to the set temp. I had the sound insulating blanket installed about a year or so ago, so the noise is much reduced in my car and no vibrations.
 

brucet999

Active Member
Mar 12, 2015
2,675
1,485
Huntington Beach, CA
I've noticed the compressor ramping up much faster and stronger in v7, Tesla has improved how quickly the car cools down to the set temp. I had the sound insulating blanket installed about a year or so ago, so the noise is much reduced in my car and no vibrations.

Is that sound deadening retrofit something that is standard in later cars?
 

JonathanD

Member
Apr 21, 2014
432
520
OC, CA
Yeah I don't have the blanket yet, so I'm assuming that will be the remedy, but the dramatic change as a result of the software update was surprising.
 

SeminoleFSU

Voluntaryist
Apr 5, 2013
1,448
358
Atlanta, GA
Yes it is louder because it ramps up more aggressively then slowly backs down. I like this as it doesn't require as much manual adjustment for those who rely on auto temp as their primary method
 

tanner

Active Member
Nov 17, 2013
1,118
286
SoCal
Without driving my car / without it being overly hot or cold, I noticed that my compressor is significantly louder after v7 too. After just turning on the AC in the garage on my P85, it sounds like a jet engine at fan level 1...
 

jerry33

(S85-3/2/13 traded in) X LR: F2611##-3/27/20
Mar 8, 2012
19,579
22,032
Texas
They changed the algorithm in v7 so it now start in very high. I thought it was better before.
 

russman

Member
Nov 12, 2013
394
48
California
My fan seems to be run higher/louder after the update. So much so, I'm considering switching to manual fan adjustments, which I've never had to do before.
 

Sogorman

Member
Nov 8, 2014
203
8
Phoenix, AZ
could it be the SAS compressor? I have noticed that since V7 my air suspension compressor has been running much more then it used to and I hear the system bleeding excess pressure (like when you open a pressure valve) a few times a day. Prior to V7 the only time I heard the SAS was when the vehicle first turned on and then only for about 15 seconds.
 

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