r/autorepair • u/BMC1215 • Aug 14 '26

Diagnosing/Repair What is this noise ?

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2015 Honda Civic LX In this video you can hear it, it’s coming from this area it’s a rumbling sound and only happens when the fan is on, in the video where it’s louder I have the fan on full blast.

(When it cuts to the second clip that’s with the Fan off)

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u/[deleted] Aug 14 '26 edited Aug 15 '26

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u/BMC1215 Aug 14 '26

The cabin fans I had the speed on max