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2015 Honda Odyssey Rear Buzzing Noise for 30 seconds after starting van
Hi, I am hoping someone may be able to diagnose a noise that my 2015 Honda Odyssey is making for the first 30 seconds when starting my van. The only other issue besides the noise that might be related is that the rear vents blow only cold air (no hot air even if the thermostat is turned to high in the rear). I thought it was the Rear HVAC Blower Motor, but when I took the back apart and replaced it, the noise still happened for the first 30 seconds after starting the van. I have attached a video I took when I had the back panel removed showing where the noise is coming from (I have also attached a picture of the part that the noise seems to be coming from), so if anyone has seen this before and could tell me what is causing this issue it would be greatly appreciated.