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2001 Buick LaSabre Drive Noise.
I have a noise that sounds like a small plane droning that changes
pitch as speed increases. I think it's the left-side. Sound doesn't change when turning. It starts at 20 MPH. It doesn't stop when I brake slightly or take it out-of-gear. Very low mileage...around 60K. Thanks for any ideas or where I might ask online. bob Jesse, suggested "wheel bearing". |
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#2
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2001 Buick LaSabre Drive Noise.
Bob Villa > wrote:
>I have a noise that sounds like a small plane droning that changes >pitch as speed increases. >I think it's the left-side. Sound doesn't change when turning. >It starts at 20 MPH. It doesn't stop when I brake slightly or take it >out-of-gear. Very low mileage...around 60K. Almost certainly a wheel bearing. >Thanks for any ideas or where I might ask online. Take it to a tech immediately. There are some other possibilities, but the wheel bearing is certainly a major one and the conequences of wheel bearing failure are so severe that I would not drive it until that has been ruled out. >Jesse, suggested "wheel bearing". Yes. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#3
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2001 Buick LaSabre Drive Noise.
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#4
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2001 Buick LaSabre Drive Noise.
On Dec 27, 8:10*pm, Bill Vanek > wrote:
> On 27 Dec 2010 18:34:05 -0500, (Scott Dorsey) wrote: > > >Bob Villa > wrote: > >>I have a noise that sounds like a small plane droning that changes > >>pitch as speed increases. > >>I think it's the left-side. Sound doesn't change when turning. > >>It starts at 20 MPH. It doesn't stop when I brake slightly or take it > >>out-of-gear. Very low mileage...around 60K. > > Could also be tires. Try to find a street that has changes in road > surface, like concrete to asphalt. If the sound changes, it's tires. > You can also run your hand around the tread - a bad tire will feel > like it has a sawtooth surface. It's usually also easy to see. > > The sound of a wheel bearing will almost always change when you swing > the car from side to side. There's also a chance it's in the trans, > and the sound won't change at all going side to side. We can rule out tires (I think)...both front tires are smooth-no ridges (less than a year old). Driving over snow cover...you still hear the noise. There doesn't seem to be a change in the sound moving the wheel back- and-forth. (sure hope it's not the tranny! *L*) Thanks for your input on this. |
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2001 Buick LaSabre Drive Noise.
On Dec 28 2010, 5:27*pm, Bob Villa > wrote:
> On Dec 27, 8:10*pm, Bill Vanek > wrote: > > > > > On 27 Dec 2010 18:34:05 -0500, (Scott Dorsey) wrote: > > > >Bob Villa > wrote: > > >>I have a noise that sounds like a small plane droning that changes > > >>pitch as speed increases. > > >>I think it's the left-side. Sound doesn't change when turning. > > >>It starts at 20 MPH. It doesn't stop when I brake slightly or take it > > >>out-of-gear. Very low mileage...around 60K. > > > Could also be tires. Try to find a street that has changes in road > > surface, like concrete to asphalt. If the sound changes, it's tires. > > You can also run your hand around the tread - a bad tire will feel > > like it has a sawtooth surface. It's usually also easy to see. > > > The sound of a wheel bearing will almost always change when you swing > > the car from side to side. There's also a chance it's in the trans, > > and the sound won't change at all going side to side. > > We can rule out tires (I think)...both front tires are smooth-no > ridges (less than a year old). *Driving over snow cover...you still > hear the noise. > There doesn't seem to be a change in the sound moving the wheel back- > and-forth. *(sure hope it's not the tranny! *L*) > Thanks for your input on this. No apparent noise when jacked-up and spinning at 30MPH (of course there is little to load the bearing-no weight). |
#6
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2001 Buick LaSabre Drive Noise.
Bob Villa wrote:
> On Dec 28 2010, 5:27 pm, Bob Villa > wrote: >> On Dec 27, 8:10 pm, Bill Vanek > wrote: >> >> >> >>> On 27 Dec 2010 18:34:05 -0500, (Scott Dorsey) wrote: >>>> Bob Villa > wrote: >>>>> I have a noise that sounds like a small plane droning that changes >>>>> pitch as speed increases. >>>>> I think it's the left-side. Sound doesn't change when turning. >>>>> It starts at 20 MPH. It doesn't stop when I brake slightly or take it >>>>> out-of-gear. Very low mileage...around 60K. >>> Could also be tires. Try to find a street that has changes in road >>> surface, like concrete to asphalt. If the sound changes, it's tires. >>> You can also run your hand around the tread - a bad tire will feel >>> like it has a sawtooth surface. It's usually also easy to see. >>> The sound of a wheel bearing will almost always change when you swing >>> the car from side to side. There's also a chance it's in the trans, >>> and the sound won't change at all going side to side. >> We can rule out tires (I think)...both front tires are smooth-no >> ridges (less than a year old). Driving over snow cover...you still >> hear the noise. >> There doesn't seem to be a change in the sound moving the wheel back- >> and-forth. (sure hope it's not the tranny! *L*) >> Thanks for your input on this. > > No apparent noise when jacked-up and spinning at 30MPH (of course > there is little to load the bearing-no weight). Makes it seem like a wheel bearing, as several people have mentioned. |
#7
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2001 Buick LaSabre Drive Noise.
On Jan 2, 10:08*am, Bob Villa > wrote:
> On Dec 28 2010, 5:27*pm, Bob Villa > wrote: > > > > > On Dec 27, 8:10*pm, Bill Vanek > wrote: > > > > On 27 Dec 2010 18:34:05 -0500, (Scott Dorsey) wrote: > > > > >Bob Villa > wrote: > > > >>I have a noise that sounds like a small plane droning that changes > > > >>pitch as speed increases. > > > >>I think it's the left-side. Sound doesn't change when turning. > > > >>It starts at 20 MPH. It doesn't stop when I brake slightly or take it > > > >>out-of-gear. Very low mileage...around 60K. > > > > Could also be tires. Try to find a street that has changes in road > > > surface, like concrete to asphalt. If the sound changes, it's tires. > > > You can also run your hand around the tread - a bad tire will feel > > > like it has a sawtooth surface. It's usually also easy to see. > > > > The sound of a wheel bearing will almost always change when you swing > > > the car from side to side. There's also a chance it's in the trans, > > > and the sound won't change at all going side to side. > > > We can rule out tires (I think)...both front tires are smooth-no > > ridges (less than a year old). *Driving over snow cover...you still > > hear the noise. > > There doesn't seem to be a change in the sound moving the wheel back- > > and-forth. *(sure hope it's not the tranny! *L*) > > Thanks for your input on this. > > No apparent noise when jacked-up and spinning at 30MPH (of course > there is little to load the bearing-no weight). A bit more...going 30-40MPH...it makes less noise turning left than turning right (right is about the same as going straight). Definitely seems to be the driver's side (left, here in the US/Canada). |
#8
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2001 Buick LaSabre Drive Noise.
Bob Villa wrote:
> On Jan 2, 10:08 am, Bob Villa > wrote: >> On Dec 28 2010, 5:27 pm, Bob Villa > wrote: >> >> >> >>> On Dec 27, 8:10 pm, Bill Vanek > wrote: >>>> On 27 Dec 2010 18:34:05 -0500, (Scott Dorsey) wrote: >>>>> Bob Villa > wrote: >>>>>> I have a noise that sounds like a small plane droning that changes >>>>>> pitch as speed increases. >>>>>> I think it's the left-side. Sound doesn't change when turning. >>>>>> It starts at 20 MPH. It doesn't stop when I brake slightly or take it >>>>>> out-of-gear. Very low mileage...around 60K. >>>> Could also be tires. Try to find a street that has changes in road >>>> surface, like concrete to asphalt. If the sound changes, it's tires. >>>> You can also run your hand around the tread - a bad tire will feel >>>> like it has a sawtooth surface. It's usually also easy to see. >>>> The sound of a wheel bearing will almost always change when you swing >>>> the car from side to side. There's also a chance it's in the trans, >>>> and the sound won't change at all going side to side. >>> We can rule out tires (I think)...both front tires are smooth-no >>> ridges (less than a year old). Driving over snow cover...you still >>> hear the noise. >>> There doesn't seem to be a change in the sound moving the wheel back- >>> and-forth. (sure hope it's not the tranny! *L*) >>> Thanks for your input on this. >> No apparent noise when jacked-up and spinning at 30MPH (of course >> there is little to load the bearing-no weight). > > A bit more...going 30-40MPH...it makes less noise turning left than > turning right (right is about the same as going straight). Definitely > seems to be the driver's side (left, here in the US/Canada). Left wheel bearing. Usually the rights go bad first. |
#9
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2001 Buick LaSabre Drive Noise.
On Jan 9, 7:58*pm, Paul in Houston TX > wrote:
> > > A bit more...going 30-40MPH...it makes less noise turning left than > > turning right (right is about the same as going straight). *Definitely > > seems to be the driver's side (left, here in the US/Canada). > > Left wheel bearing. *Usually the rights go bad first. It was too cold to do the job myself...cost me $300 for the better quality one and labor. Oh well, it's fixed! |
#10
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2001 Buick LaSabre Drive Noise.
Bob Villa wrote:
> On Jan 9, 7:58 pm, Paul in Houston TX > wrote: > >>> A bit more...going 30-40MPH...it makes less noise turning left than >>> turning right (right is about the same as going straight). Definitely >>> seems to be the driver's side (left, here in the US/Canada). >> Left wheel bearing. Usually the rights go bad first. > > It was too cold to do the job myself...cost me $300 for the better > quality one and labor. Oh well, it's fixed! > Yay! Thanks for the update. |
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