GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

Whining Noise from the trunk area after being parked for a while

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Old 12-17-17, 12:18 AM
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MythicOne
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Default Whining Noise from the trunk area after being parked for a while

Has anyone heard the whining noise coming from the rear of the car after being parked for a while (4 hours)?
I've heard the same noise on my mothers ES300 Hybrid and figured it was the hybrid battery system recharging/conditioning etc. My GS350 is not a hybrid so it cause me to raise an eyebrow when I heard it tonight.

Anyone with the knowledge of what this noise might be?
Old 12-17-17, 12:52 AM
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MythicOne
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Originally Posted by PatrixUSA
Most likely your fuel evaporation system. Noted on page 8 in the IS manual, would venture an educated guess that it's the same for the GS.
Ahh...okay, thank you PatrixUSA!!
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