Hello. My Altima has about 85000 miles on it and it makes a loud noise in the rear of the car when I hit 40 mph. Then it goes away (or gets lower) at 45, then back loud at 60, then lower, then away at like 80. Had it checked for the transmission becuase I orginally thought it was associated with …

Loud humming noise from rear of car

cappy208 March 8, 2008, 4:51pm 2

most likely a wheel bearing. should be about 150 or so. look around and get a couple of estimates. your local mechanic can trouble shoot this for you too.