Proud SE-R Owner
Join Date: Jan 2013
Location: Orlando, Florida
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Strange Humming Noise Coming from the Back of My car
So for about a year now, maybe more I am hearing a constant humming noise coming from the back of my 03 Altima 2.5 S. For the longest time I thought it was the wheel hub assembly which is what a lot of people told me, as well as my own research I had found online
So I purchase a new wheel hub assembly for the left rear wheel, have my best friend (certified mechanic) replace it and STILL have this humming noise
It becomes audible around 40 mph, gets loud around 45, fades away from 45-55 and then at 60 mph it reaches its peak loudness before fading away to a low pitched almost inaudible hum at speeds of 65. I travel the highways here in Orlando at about 70 mph usually and don't hear anything
We (mechanic friend and I) determined it was the left wheel bearing hub assembly because thats where the sound is most audible when you sit in the rear passenger seats.
So we misdiagnosed. My mechanic friend dismissed it as road noise afterwards, but now Im out $120 ($60 for the part, and $60 to pay my friend)
My 03 Altima 2.5 S is now at 125k, and even though I plan to sell it in roughly 8-10 months, does anybody know what could be causing this noise?