2005 Honda Civic Strange Noise over 40

2005 HONDA CIVIC
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THECORY
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Noises problem
2005 Honda Civic 4 cyl Manual 42000 miles
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When I drive over about 40 MPH, I notice a sound coming from the front of my car. It sounds sort of like a motorcycle is approaching (moderately loud engine like sound). The faster I go, the louder it gets. However, I don't think it's related to the engine; I actually turned off my car while coasting down a hill and the sound still was there; and increased as I picked up speed. I haven't noticed any performance changes, but the sound is definitely new. Any idea what this is?

I bought this Civic in February, and it has a warranty, but the dealer charges $70 for diagnosis if it's not a warranty covered problem, and they have a habit of telling me one thing is wrong with my car (something not warranty covered) when it' something totally different (that is warranty covered), so I try to diagnose before taking it in....


Thanks!
Jun 27, 2008 at 2:02 PM
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KHLOW2008
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Hi thecory,

It should be something related to the wheel or driveshafts but when the engine is off, the shafts should not be giving any noise so I suspect it is the wheel bearings.

Take the car for a drive and try to take a big turn either right or left and see if the noise level increases or decreases.

If it increases with a right turn and decreases with a left turn, the left wheel bearing is worn, vice versa.

Make sure tires are good and no foreign material lodged or stuck on threads.
Jun 28, 2008 at 8:04 AM