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      12-28-2017, 11:32 AM   #1
TonySCV
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A/C compressor causing a slight car shake at idle?

Anyone noticing an issue when their A/C is on and they are stopped at a light or stopped while idling? Every 10-15 seconds or so, I can feel a slight shudder as the compressor turns either on or off. If I turn off the A/C switch, it stops. It's enough to slightly shake the car, to the point where if I point it out to others, they can feel it as well. It's subtle though.

I was planning on taking it in to the dealer, but it would help blunt the inevitable "it's normal" if others are not experiencing this.

Check it out when you're next in your car and report back. I would appreciate it.
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      12-28-2017, 11:37 AM   #2
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A/C on? It's 15 degrees here!! Actually can't help you as we have yet to have used the A/C.

That doesn't sound normal to me. The warm weather folks need to chime in.
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      12-28-2017, 11:44 AM   #3
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-33C with the windchill here! Wish I needed A/C.

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Originally Posted by KAP8 View Post
A/C on? It's 15 degrees here!! Actually can't help you as we have yet to have used the A/C.

That doesn't sound normal to me. The warm weather folks need to chime in.
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      12-28-2017, 11:48 AM   #4
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http://nationalpost.com/news/canada/...ned-cold-it-is

LOL
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      12-28-2017, 12:16 PM   #5
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Even Mars was warmer with it's high of -23C!

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      12-28-2017, 12:22 PM   #6
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Even Mars was warmer with it's high of -23C!
Jocularity!
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      12-28-2017, 01:13 PM   #7
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Quote:
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Even Mars was warmer with it's high of -23C!
Yes, but it is a "dry" cold on Mars and Calgary too for that matter.
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      12-28-2017, 01:26 PM   #8
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is there anyone noticed the air recirculation function works weird at new X3? For me, every time I manual pressed the re-circulation button, after fews seconds it will turn off itself. I don't know how to keep the outside air is permanently shut off.
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      12-28-2017, 01:51 PM   #9
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Quote:
Originally Posted by lucasxu View Post
is there anyone noticed the air recirculation function works weird at new X3? For me, every time I manual pressed the re-circulation button, after fews seconds it will turn off itself. I don't know how to keep the outside air is permanently shut off.
From what the owners manual indicates, it seems that it might shut off if you’re in auto mode and/or using AC. It warns that recirculating air in the cabin increases humidity and causes air quality to deteriorate, but can be used temporarily to avoid immediate external smells or pollution. When the AC is on it has a condensation sensor activated that may decide to shut off recirculating air if using auto. Not sure if this applies to you... there may also be other combinations of settings that don’t mix with recirculation.
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      12-28-2017, 02:59 PM   #10
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Quote:
Originally Posted by sor View Post
Quote:
Originally Posted by lucasxu View Post
is there anyone noticed the air recirculation function works weird at new X3? For me, every time I manual pressed the re-circulation button, after fews seconds it will turn off itself. I don't know how to keep the outside air is permanently shut off.
From what the owners manual indicates, it seems that it might shut off if you’re in auto mode and/or using AC. It warns that recirculating air in the cabin increases humidity and causes air quality to deteriorate, but can be used temporarily to avoid immediate external smells or pollution. When the AC is on it has a condensation sensor activated that may decide to shut off recirculating air if using auto. Not sure if this applies to you... there may also be other combinations of settings that don’t mix with recirculation.
i remember i didnt use auto, i will try tonight anyways
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      12-28-2017, 03:53 PM   #11
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I didn't notice anything. I tried with the A/C on, off, auto and manual. AutoStartStop on and off, no slight shacking while idle.
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      12-28-2017, 04:01 PM   #12
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Quote:
Originally Posted by TonySCV View Post
Anyone noticing an issue when their A/C is on and they are stopped at a light or stopped while idling? Every 10-15 seconds or so, I can feel a slight shudder as the compressor turns either on or off. ...Check it out when you're next in your car and report back. I would appreciate it.
Not a bit, TonySCV, and we've been using the A/C for sure.
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      12-28-2017, 04:39 PM   #13
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I realized today that it's actually not blowing cold air at all, so I'm guessing it's all interrelated. Must be missing refrigerant or some issue with the compressor, and yes, it is 80 degrees here today! I need the A/C on . I took it in to service this afternoon. Hopefully it's a quick fix that doesn't require a new part.
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      12-29-2017, 01:02 PM   #14
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UPDATE: Problem solved. Turns out the port forgot to install refrigerant (oops). The dealer installed refrigerant, checked for leaks (there were none), and everything is working fine now. No more shudder at idle, and the A/C blows cold.
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      12-29-2017, 01:07 PM   #15
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Excellent, thanks for the update, TonySCV, and glad you got it taken care of early!
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      12-29-2017, 01:17 PM   #16
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Something else to add to our delivery checklist. Hmm I wonder about other fluids.

Last edited by Slalom; 12-29-2017 at 09:39 PM.. Reason: correct typo
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      12-29-2017, 08:14 PM   #17
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Quote:
Originally Posted by TonySCV View Post
UPDATE: Problem solved. Turns out the port forgot to install refrigerant (oops).
Wow, that’s a pretty big forget. Hope they didn’t forget any other ‘little’ things.
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      12-29-2017, 09:05 PM   #18
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Quote:
Originally Posted by lucasxu View Post
is there anyone noticed the air recirculation function works weird at new X3? For me, every time I manual pressed the re-circulation button, after fews seconds it will turn off itself. I don't know how to keep the outside air is permanently shut off.
Same in the previous model whenoutside temp is a bit cold, automatically shuts it off.
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      12-29-2017, 09:08 PM   #19
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Quote:
Originally Posted by X4guy View Post
Same in the previous model whenoutside temp is a bit cold, automatically shuts it off.
Must be for humidity/condensation reasons then.
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      12-29-2017, 09:19 PM   #20
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Quote:
Originally Posted by sor View Post
Must be for humidity/condensation reasons then.
Yes according to the manual, this and rft are the 2 top hated things in my car, let me decide my own condensation level
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