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Car Forum / Driving, Maintenance, Tuning / General Car Topics / November 2007Tire humming noise at around 70 mph, and increasing when turning right
I have a 2003 Impala LS, 3.8L, and it has 3-months-old Goodyear M+S tires on it. The car started having a humming noise on the highway (most notable at 70 mph) three weeks ago. The noise gets louder when I turn the wheel slightly to the right. It is as if a bearing is failing, or something is rubbing against the tire. the noise gets much worse when I slightly turn the wheel to the right. There noise gets less when i turn left! Took the car to good mechanic, checked the bearings and steering linkage and it was all tight and crisp.Also rotated the tires twice and the noise did not change at all. I had the tires on the car for two months and they were always very quiet, until this sound came by. Please help me with your experience. Thanks. It does sound like a wheel bearing, but before you do anything expensive have you tried rotating the tires? Jeff DeWitt > I have a 2003 Impala LS, 3.8L, and it has 3-months-old Goodyear M+S > tires on it. [quoted text clipped - 15 lines] > > Please help me with your experience. Thanks. > It does sound like a wheel bearing, but before you do anything > expensive have you tried rotating the tires? > > Jeff DeWitt <snip? >> Took the car to good mechanic, checked the bearings and steering >> linkage and it was all tight and crisp.Also rotated the tires [quoted text clipped - 6 lines] >> >> Please help me with your experience. Thanks. He said he did have the tires rotated - Twice!!!!! It must not be tires because it would be highly unlikely you would have more than one tire with same problem. I think if it was mine, I'd replace both front wheel bearings. Won't cost an arm and a leg. I don't think one can always tell a bad bearing by looking. Too bad the mechanic didn't swap bearings between wheels when he had them out. I assume he repacked the bearings. Keep us posted on what happens. Bob-tx >>It does sound like a wheel bearing, but before you do anything >>expensive have you tried rotating the tires? [quoted text clipped - 28 lines] > > Bob-tx In a FWD car it is not so easy to change front wheel bearings as in a RWD car; I suspect that they may be sealed one-piece units, not the typical tapered roller bearings that you just knock out with a brass drift. But it does sound like they need to be changed. nate  Signaturereplace "roosters" with "cox" to reply. http://members.cox.net/njnagel >>It does sound like a wheel bearing, but before you do anything >>expensive have you tried rotating the tires? [quoted text clipped - 28 lines] > > Bob-tx Ahh, missed that, and yes, it would be very unlikely it's the tires at this point. As Nate points out on a FWD car changing bearings is a lot more complicated (expensive) than on a conventional car. Has the mechanic DRIVEN the car? It seems there really is a problem but that mechanic doesn't recognize it, it might be worth while to get another opinion. Jeff DeWitt Thanks for your replies. I did rotate the tires, and as you know, things didnt change. The car if FWD and a new bearing will cost about $300 to replace. It is sealed unit and comes with ABS sensor and stuff... The mechanic drove the car, and acknowledged the noise. He put the car on the jack and the wheels were both tight and no excess movement or noise was noticed. He told me the car was safe and that I should wait for the noise to get worse before going at the bearings. I have had bad bearings on 3 or for cars before. They have never been like this. First, they make a HUGE noise, not something this small. Second, they always get loose before getting noisy. Third, they are noisier in low speeds, not at 70+ miles only. I have been driving the car for a couple weeks (600 miles or so) and the noise doesn't seem to have changed at all. Any other possibilities? > Thanks for your replies. > [quoted text clipped - 17 lines] > > Any other possibilities? Maybe do like the mechanic said and just drive it, if something really is wrong you'll find out soon enough. I've had bearings go bad too and usually there isn't much question something is really wrong. Of course this is a front wheel drive car, I've never had bearings go bad on a front wheel drive car though, they may act differently. Jeff DeWitt Thanks Jeff. Will do the drive and will see if anything goes real bad. Will keep you posted In case anything develops. > Thanks Jeff. Will do the drive and will see if anything goes real > bad. > > Will keep you posted In case anything develops. Well hopefully it won't be something real bad! Jeff DeWitt |
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