Humming sound from rear of car


Old 07-11-02, 07:47 AM
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Humming sound from rear of car

Make: Acura
Model: integra
Year: 1995
Country: Canada
Mileage: 150k

The humming sound has been getting progressively worse over the last two weeks. This morning I even heard a squeaking sound at 100 kph which disappeared when I decelerated. I thought it might be exhaust, but a quick inspection did not show any holes. It may be unrelated, but twice now I've also heard a whistling sound (as if wind were passing through something) when the car is parked with the ignition off. This is what lead me to think it might be exhaust.

Any thoughts?

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Old 07-11-02, 09:36 AM
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A bad wheel bearing will give a progressive humming sound as will a bad tire. Does it get worse with speed?
Old 07-11-02, 10:40 AM
Join Date: Jul 2002
Location: corona Ca.
Posts: 471
I have heard in tank mustang fuel pumps b4 make a steady whining sound.
Old 07-11-02, 11:00 AM
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In response to Joe's question. Yes, it does get progressively worse as I accelerate. Is there any danger surrounding a bad bearing, if that is what's causing the noise?
Old 07-11-02, 04:27 PM
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Ya, the wheel could eventually come off and you can get some wicked vibrations.

Have you tried to swap the front and rear tires to see if the problem subsides? If it does, it's wheel and tire related. If not, you can rule out wheels and tires.

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