Honda odyssey humming noise when accelerating, We've also provided an audio sample of each issue to help determine what's causing the hum. With previous research, I know there is a humming/grinding noise that happens when the ECO mode kicks in, but for the life of me I cannot remember what that was called. I keep getting a loud droning noise at around 40mph (somtimes) and between 59-64 mph (always). Oct 13, 2025 · Need some help this sound only happens when you accelerate softly (above 40 mph) and as soon as you let your foot off the gas. Serpentine belt appears ok and aligned (to I got a Weird noise - like a slight rattle / humming noise when I initially begin to press down on the gas pedal before the acceleration begins. It is gradually becoming louder, though is sometimes faint or inaudible to others. Customer: I changed the alternator on my 2016 Honda Odyssey and now it makes a noise, sort of a buzzing noise. Dec 3, 2021 · The most common causes for humming noise in Honda Odyssey at high speeds are bad wheel bearing, uneven tire wear and using tires with large tread blocks. Above 50, there is a humming noise that does not stop and gets louder the faster you go. It will also do it when your coasting under 15 mph.


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