Re: HELP: 93 Toyota Corolla vibration problem!

" krp" <krp2457k@[EMAIL PROTECTED]
> wrote in message 
news:AzHPj.3034$mw4.509@[EMAIL PROTECTED]
>
> "E Meyer" <epmeyer50@[EMAIL PROTECTED]
> wrote in message 
> news:C43414BC.2FB7F%epmeyer50@[EMAIL PROTECTED]
>
>>>>>>> Replace both front brake hoses, replace the brake fluid, and bleed
the
>>>>>>> brakes.
>>>>>>
>>>>>> Ray, I had them do this.  The problem still persists.  Could it be
a
>>>>>> brake booster problem?
>>>>>
>>>>> I read through most of the posts before responding.
>>>>>
>>>>> It is very unlikely that a master cylinder is causing the problem,
and 
>>>>> it
>>>>> is
>>>>> unlikely that a misadjusted push rod is causing the problem unless
>>>>> someone
>>>>> messed with the master cylinder or pushrod.
>>>>>
>>>>> It is possible, but not likely that a bad wheel bearing is causing
the
>>>>> problem.  Wheel bearings generally make a lot of noise before
getting 
>>>>> bad
>>>>> enough to actually cause a problem.
>>>>>
>>>>> A wheel or tire that is out of round either laterally or radially
will
>>>>> cause
>>>>> a vibration, but not likely that the vibration will come and go and
it
>>>>> will
>>>>> not make the wheel hot to the touch or bind the brakes so that is
not
>>>>> high
>>>>> on my list.
>>>>>
>>>>> A bad CV joint will make noise, cause pulling, or fling grease all
over
>>>>> the
>>>>> undercarriage before it causes an intermittent vibration and will
not
>>>>> make
>>>>> the wheel hot to the touch or bind the brakes.
>>>>>
>>>>> If replacing the calipers did not change the problem, I would have
>>>>> guessed a
>>>>> bad brake hose.
>>>>>
>>>>> I read that you are replacing the front calipers, make sure that the
>>>>> slides
>>>>> are free and coated with disc brake grease or anti-seize.
>>>>>
>>>>> Where are you located?
>>>>
>>>> I will add one additional possibility that I personally experienced
on an
>>>> Acura TL.  A bad upper ball joint caused ALL the symptoms re****ted
here 
>>>> on
>>>> that car - hot wheel, apparent warping of the rotor, chattering
brakes,
>>>> all
>>>> of it.
>>>
>>>
>>> You know, IF a wheel threw a weight off it could do the same thing.
>>>
>>>
>> Throwing a weight causes a constant vibration.  This was different and
was
>> confirmed to be the ball joint on the TL.
>
> Usually throwing a weight will cause vibration at certain speeds.
Depends on 
> the size of the wheel weight. Big ones act more harshly when missing
than 
> small ones. Remember he said the wheel DOES have a small wobble to it.
Maybe 
> move a rear wheel up front. Try that for a couple days.

  Would a missing wheel weight also cause the brakes to apply and make 
the 
vehicle slow down ???  That's what he stated is also happening.