High pitched sound in the cabin coming from the passenger side
What is your question?
High pitched sound in the cabin coming from the passenger side, seems to be coming from behind the grove compartment. Loud enough to hear even with the radio on, and does get louder on some days more than others. Sounds like a high pitched fan but also somewhat electronic sounding. I took a video but it looks like I'm not allowed to include it.
What makes this problem better or worse?
Its constant
How long has your 2018 Subaru Forester had this problem?
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Hello, sounds like a possible air flow restriction or debris in the blower area of the heater plenum. Perhaps something got inside a vent, such as the defroster? Or something could be inside the plenum.
To check - the easiest way is to remove the cabin air filter. Lower the glove box beyond its stops by releasing it. The access door is just behind the glove box area. Access this compartment, remove the filter and see what you find. Good luck!
