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Re: HELP Rear humming noise need second opinion
Either your mechanic has poor knowledge or experience or he is having you on. The bearings are sealed and all the grease and
in the world won't find its way inside the bearing race or balls. I suggest you find another mechanic.
When it comes to noisey wheel bearings even the experts can have difficulty determining which one is at fault. Resting the finger-tips on the suspension spring or using an engineers stethoscope whils spinning the wheel with the car jacked up can help narrow the search.
Currently in madnoel10's garage:
Honda Civic 1.4l