Vibration at 60 mph plus - rotor problems

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Old 03 Nov 2004, 05:49 pm   #1 (permalink)
M. Hamill
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Default Vibration at 60 mph plus - rotor problems

My Toyota Corolla with about 49,000 miles (yeah, not a Camry) has had a
vibration problem for about a month. When the car speed gets to about 59
mph, and above, I start to feel a vibration that's perceptible at the
steering wheel. It seems to be coming at least in part from the left front
wheel. I had new brake pads and shoes put on this car 9 days ago. The shop
advised I have the rotors replaced, saying there was some warpage, but I did
not have that done. Nor did I have the rotors or drums turned down.

The right front rotor was warped enough that in the first 50-100 miles after
replacement, it burned some of the brake pads up on that wheel until the
warped rotor had shaped it some.

I'm interested in knowing - could having one or more warped rotors could
cause this vibration? If so, shouldn't the problem be resolved just by
turning down the rotors and drums (there ought to be enough metal to do it.)
If that's unlikely, what else could cause the problem? It has no other
obvious problems that I can think of that would cause this troubling
vibration.

Mike



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Old 03 Nov 2004, 06:07 pm   #2 (permalink)
Car Guy
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Default Re: Vibration at 60 mph plus - rotor problems

Personally I would just bit the bullet and get 2 new rotors and new pads.
Turning the rotors is fine but the thicker the rotor, the better heat can
dissipate from it, as well as eliminates any vibrations.


"M. Hamill" <mhamill@fuse.net> wrote in message
news:U7eid.392$BY1.166@fe37.usenetserver.com...
> My Toyota Corolla with about 49,000 miles (yeah, not a Camry) has had a
> vibration problem for about a month. When the car speed gets to about 59
> mph, and above, I start to feel a vibration that's perceptible at the
> steering wheel. It seems to be coming at least in part from the left front
> wheel. I had new brake pads and shoes put on this car 9 days ago. The shop
> advised I have the rotors replaced, saying there was some warpage, but I
> did
> not have that done. Nor did I have the rotors or drums turned down.
>
> The right front rotor was warped enough that in the first 50-100 miles
> after
> replacement, it burned some of the brake pads up on that wheel until the
> warped rotor had shaped it some.
>
> I'm interested in knowing - could having one or more warped rotors could
> cause this vibration? If so, shouldn't the problem be resolved just by
> turning down the rotors and drums (there ought to be enough metal to do
> it.)
> If that's unlikely, what else could cause the problem? It has no other
> obvious problems that I can think of that would cause this troubling
> vibration.
>
> Mike
>
>
>



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Old 04 Nov 2004, 07:07 am   #3 (permalink)
m Ransley
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Default Re: Vibration at 60 mph plus - rotor problems

Probably tires are bad or out of balance, I ruined a 110$ michelin, with
30000 m on it . For months it shook and pulled to one side. I thought I
had a bad CV and needed an alignment, but I broke the belt. Rotors wont
cause a shake, They are balanced.

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Old 04 Nov 2004, 08:32 am   #4 (permalink)
William W. Plummer
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Default Re: Vibration at 60 mph plus - rotor problems

m Ransley wrote:

> Probably tires are bad or out of balance, I ruined a 110$ michelin, with
> 30000 m on it . For months it shook and pulled to one side. I thought I
> had a bad CV and needed an alignment, but I broke the belt. Rotors wont
> cause a shake, They are balanced.
>

I'll second that. Several times replacing all 4 tires solved vibration
problems. Apparently the steel belts in the tires can get dented if you
hit a curb or pothole. The imbalance causes vibrations and steering
problems even though the tires look fine.
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Old 04 Nov 2004, 10:19 am   #5 (permalink)
m Ransley
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Default Re: Vibration at 60 mph plus - rotor problems

Yes the tire looked fine, even off the rim the tire dealer could not
tell the belts were bad in 2 ways, Shifted and causing pulling to the
right and another defect causing shake. I found this out by rotating the
tires the problem went from one area to another.

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