2019 Yukon SLT Graphite Performance Edition. Odd noise? | GM Authority

This topic contains 2 replies, has 2 voices, and was last updated by Craignor 2 years, 4 months ago.

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January 25, 2020 at 8:34 am #585540
Craignor
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Hi,

When I open a door to the turned off Suv, I routinely hear a few seconds of a mechanical noise, coming from underneath, then the noise stops.

Any ideas what this noise could be?
- This topic was modified 2 years, 5 months ago by Craignor.
February 8, 2020 at 11:49 pm #587355

oplein
Participant

Thank you very much.
February 10, 2020 at 7:15 am #587384

Craignor
Participant

I think I figured it out. I think it’s the ALC Automatic Level Control compressor (air shocks) doing a quick check.
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