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| Electronics | Audio | NAV | Infotainment Anything related to in-car electronics, navigation, and infotainment. |
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02-27-2021, 12:34 PM
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#1 |
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Member
Join Date: Nov 2016
Drives: 17 BRZ w/PP & 08 STI
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Electrical hum from rear of car only happens long after it has been shut down
So this is the second time (owned the car for 6 months) I've noticed an electrical hum coming from somewhere in the rear of the car after the car has been powered off for several hours.
The latest time I noticed it, I stuck my head under the car and it seems to be coming from the rear somewhere in the general vicinity of the rear differential but I wasn't feeling motivated enough to lift the car up find a flashlight and start poking around. My car is a 2017 that is usually garage parked, so it's quiet enough that I can hear feint noises. My car has been flawless & well maintained so I'm not concerned, just curious. Anyone else notice this? |
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02-27-2021, 12:38 PM
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#2 |
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Famous Potatoes
Join Date: Mar 2016
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That's normal, its your EVAP system doing its test.
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02-27-2021, 01:12 PM
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#3 |
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Senior Member
Join Date: Jan 2019
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if you said it was more like a whistle i think i know what's going on!
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