scraping sound

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Old 06 Dec 2010, 12:42 pm   #1 (permalink)
Ace
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Default scraping sound

Yo, whenever I'm driving my camry 99 4 cylinder I sometimes hear this
scratching sound. It comes and goes, I can't figure out exactly what
it is. It sometimes starts when I'm driving straight sometimes when
I'm turning and it usually (stops) when I'm applying the brakes. Any
ideas?


Also how often should I replace the brake pads. And I have no head for
auto stuff so any suggestions for finding a good honest mechanic
online around the so cal area?
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Old 06 Dec 2010, 12:49 pm   #2 (permalink)
badgolferman
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Default Re: scraping sound

Ace wrote:

>Yo, whenever I'm driving my camry 99 4 cylinder I sometimes hear this
>scratching sound. It comes and goes, I can't figure out exactly what
>it is. It sometimes starts when I'm driving straight sometimes when
>I'm turning and it usually (stops) when I'm applying the brakes. Any
>ideas?
>
>
>Also how often should I replace the brake pads. And I have no head for
>auto stuff so any suggestions for finding a good honest mechanic
>online around the so cal area?



That might be your brake wear indicator making that noise. If you
don't want to look at it yourself ask your neighbors where they get
their cars fixed.
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Old 06 Dec 2010, 04:44 pm   #3 (permalink)
hls
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Default Re: scraping sound


"Ace" <nkomli@gmail.com> wrote in message
news:a2bfac33-59ad-43ae-aafc-98a07883e5c3@r19g2000prm.googlegroups.com...
> Yo, whenever I'm driving my camry 99 4 cylinder I sometimes hear this
> scratching sound. It comes and goes, I can't figure out exactly what
> it is. It sometimes starts when I'm driving straight sometimes when
> I'm turning and it usually (stops) when I'm applying the brakes. Any
> ideas?
>
>
> Also how often should I replace the brake pads. And I have no head for
> auto stuff so any suggestions for finding a good honest mechanic
> online around the so cal area?


This sound is characteristic of brake pad issues. It doesnt always mean
that the pad is worn down to the "tattletail", but it does mean you
should check what is going on. Do you have a shudder when you
apply the brakes? That can mean that the rotor is warped, and it
can also lead to pads being displaced from the rotor, and unusual
sounds can occur.

Some people replace the pads only, and dont do anything to the
calipers when pad problems are encountered. And you can usually
get away with this for a while. Over the last several years, I have
noticed that at some point the caliper piston is likely to seize, and
this can cause damage to the rotors, pads, etc. Sometimes it is
cheapest to replace the caliper with a new or rebuilt. They come
with pads. You CAN rebuild the calipers, and we did so often
in the old days when calipers and rotors were very expensive.
That is not necessarily true now.

If you dont know what you are doing, go to a friendly and competent
independent mechanic, or if you cant find one, try your luck with a
dealership.

You can ask locals who is friendly and competent. And there is
a database of approved mechanics on the AAA website. You have
to look for it, but last time I checked, it WAS there.

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Old 08 Dec 2010, 07:30 am   #4 (permalink)
camryguy
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Default Re: scraping sound

I had a similar problem with my 2000 Camry LE last year. Turns out it
was a warped rotor on the drivers side. I took it to the dealer and
paid for it. Take it to a mechanic you trust and pay probably half I
did. They needed to replace left and right rotors and pads. good luck!
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Old 08 Dec 2010, 07:51 am   #5 (permalink)
hls
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Default Re: scraping sound


"camryguy" <anthonyzadeh@gmail.com> wrote in message
news:3b909f34-c363-48ea-b3ca-298320f018f4@a17g2000yql.googlegroups.com...
>I had a similar problem with my 2000 Camry LE last year. Turns out it
> was a warped rotor on the drivers side. I took it to the dealer and
> paid for it. Take it to a mechanic you trust and pay probably half I
> did. They needed to replace left and right rotors and pads. good luck!


That is a really good point. Never replace pads on one side only,
replace them both. And never machine one rotor and not the other.

You can probably replace one rotor so long as you machine or prep
BOTH rotors.

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Old 10 Jan 2011, 01:50 am   #6 (permalink)
greg
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Default Re: scraping sound

responding to
http://www.motorsforum.com/toyota_ca...und-25249-.htm
greg wrote:

Ace wrote:


> Yo, whenever I'm driving my camry 99 4 cylinder I sometimes hear this
> scratching sound. It comes and goes, I can't figure out exactly what
> it is. It sometimes starts when I'm driving straight sometimes when
> I'm turning and it usually (stops) when I'm applying the brakes. Any
> ideas?



> Also how often should I replace the brake pads. And I have no head for
> auto stuff so any suggestions for finding a good honest mechanic
> online around the so cal area?



your brake pads have a little tab on them to alert the driver that the
pads need to be replaced and when they wear down, you will hear a scraping
sound yet from what you described, it sounds like one of your wheel
bearings is running dry, (no or very little grease)jack the car up and see
if you have any looseness in the tire by grabbing the bottom and top of
the tire and also do the same on the sides of the tire.
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