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Roy Belding
Roy Belding, ASE Certified Technician
Category: Nissan
Satisfied Customers: 5714
Experience:  41 years expierence on all cars and trucks to 2014
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Looking to possible similar problem. have a Chevy Malibu

Customer Question

Looking for answer to possible similar problem. have a Chevy Malibu 2014 LTZ with whirring heard after 25mph on acceleration then blends with regular road noise at hwy speed, just started noticing it. Seems from coming from back. Has the start/stop system with battery and thought maybe the charging system for the battery, just trying to think of things in the back. Brian
Submitted: 1 year ago.
Category: Nissan
Expert:  Roy Belding replied 1 year ago.

good afternoon my name is ***** ***** I will assist

have you had the rear wheel bearings checked??? it is common for them to make noise if they are going bad.

does the noise vary with vehicle speed??

Roy

Customer: replied 1 year ago.
increases with speed then don't notice with regular road noise at highway speed. Don't notice at 20-25mph
Expert:  Roy Belding replied 1 year ago.

when you let off the gas, does the noise disappear???

Roy

Customer: replied 1 year ago.
no, but will decrease with speed decrease. Its not an exceptionally loud . Similar to road sound but at a slight different pitch in addition to the road noise.
Expert:  Roy Belding replied 1 year ago.

ok, trying to see if it is a pinion bearing. I would have someone check this for you. it sounds like an axle bearing. thy can tell with a stethoscope while on a lift to be sure.

Roy

Expert:  Roy Belding replied 1 year ago.

how are you making out????

please dont forget to rate me as it is the only way I get paid for my efforts

Roy