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Hibrydsoul
PostPosted: Thu Sep 04, 2014 9:05 pm 
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So I've been getting a high pitch noise I believe coming from the right side spindle of my 2002 NZE Corolla. I originally thought it was just the brakes pads and though they had a good bit of meat on them still I went ahead and changed it. I thought I fixed the issue when this morning I heard the noise again this time with a vibration on the steering. To explain the noise its high pitched and its produced when I'm driving at a certain speed. I'll also hear it when I'm driving slowly. Here's a recording of it, listen for it after the first notification sound. The file format is .amr so I zipped it and you'll need a player like vlc or amr player. But can anyone tell me how to fix this? Its annoying as nails on a blackboard.


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File comment: Recording of noise while driving
record20140904090043.zip [308.79 KiB]
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anthonemorris
PostPosted: Wed Sep 17, 2014 6:46 pm 
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Have you at least checked the wheel bearing? When they are worn they make noise as well.


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Hibrydsoul
PostPosted: Wed Sep 17, 2014 9:43 pm 
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Okay update... So a buddy of mine told me it was the caliper shims causing the sound so today I took them off only to realize that I was still getting the high pitch noise now coupled by noise coming from the brake pads whenever I go over a bumpy road. I've deducted its emanating from the left and not the right because if I hold the steering just a little to the left I hear it louder and more continuous. If I were to hold the steering more right, the sound goes away. Oh it also goes away if I step on the brakes abit. Can anyone tell me what's the solution to this problem please? P.S. its not the wheel bearings they do not make that screeching sound but more of a whirring sound plus I just put in koyo wheel bearings last week.


Last edited by Hibrydsoul on Sat Sep 20, 2014 3:06 pm, edited 1 time in total.

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Bullet_proof
PostPosted: Wed Sep 17, 2014 10:36 pm 
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By chance your car very low to the ground?


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toyolink
PostPosted: Thu Sep 18, 2014 8:46 pm 
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Remove brake pad and rub on a coarse sheet of sand paper and see if this helps.
Assuming you are using a 'substitute' set of pads,which use a lot of metal in compound..crystalisation of pad surface may have occurred.
When the above happens, these pads upon interface with worn rotor disc can return a kind of metallic screech.
Remember your pads are always in some contact with your rotors.
Rotor disc which have damage to their surfaces can also account for noises similar to that which you described.The funny thing is when you apply some brakes the noise may tend to go.


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pjfred
PostPosted: Thu Sep 18, 2014 8:54 pm 
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Toyota giving trouble again.


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dan86
PostPosted: Fri Sep 19, 2014 9:19 am 
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This is some good advice

toyolink wrote:
Remove brake pad and rub on a coarse sheet of sand paper and see if this helps.
Assuming you are using a 'substitute' set of pads,which use a lot of metal in compound..crystalisation of pad surface may have occurred.
When the above happens, these pads upon interface with worn rotor disc can return a kind of metallic screech.
Remember your pads are always in some contact with your rotors.
Rotor disc which have damage to their surfaces can also account for noises similar to that which you described.The funny thing is when you apply some brakes the noise may tend to go.


Also did you check the support plates for the pads ?
The end tabs of the pads slide on these tracks which are mounted on the caliper.

The way the top one is clipped on, the underside clip may bend and touch the top of the rotor causing that noise.

A mechanic bent one of mine to keep it from shaking and then it caused that noise. But it was more continuous though


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Hibrydsoul
PostPosted: Fri Sep 19, 2014 7:45 pm 
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The shims? I took them out completely and was still experiencing the noise, so its not them. In fact I started getting the noise of the pads shaking so I placed them back in.


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Hibrydsoul
PostPosted: Fri Sep 19, 2014 7:47 pm 
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Oh and with the pads I bought Wagner pads and placed them in and what getting the same problem.I was told that its a good brand..... What brand pads would you suggest?


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nareshseep
PostPosted: Fri Sep 19, 2014 8:02 pm 
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Bridge a coil across terminals to cut the high frequency


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1UZFE
PostPosted: Fri Sep 19, 2014 8:02 pm 
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Wagner is a trini bess brand. Try Beck arnley nex time.


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dan86
PostPosted: Fri Sep 19, 2014 10:14 pm 
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Hibrydsoul wrote:
The shims? I took them out completely and was still experiencing the noise, so its not them. In fact I started getting the noise of the pads shaking so I placed them back in.


Not the shims. Parts labelled 47716 and 47717: Toyota sells them as the fitting kit
http://www.toyodiy.com/parts/p_G_200209 ... _4705.html

OEM pads are best. Front and back.
If you find the shims slack or the black coating peeling, change them one time with the pads. The shim kit comes with the black tacky grease also, so you get no shim rattle for the life of the pads


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pjfred
PostPosted: Sat Sep 20, 2014 2:19 am 
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Get pyrometer to check temperature. Do they emit noise from a cold state? Or when hot? Calipers slide on pins attached with bolts. If they are sticking you are in a world of hurt. Are the calipers boots torn or damaged in any way? If they are, their it is. Piston could be seizing. Who is your mechanic? His qualifications?
I have seen a lot of a$$holes on these forums speak of things they hear about. Get a mechanic who actually might be cheaper than these fools with big garage and equipment who don't know sheit To diagnose.


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LOUD AND CLEAR AUDIO
PostPosted: Sat Sep 20, 2014 3:05 am 
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had a similar problem recently ---notsolved yet neither


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kamakazi
PostPosted: Sat Sep 20, 2014 4:36 am 
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Which version of the Wagner brakes do you have. In the quikstop there are what I refer to as the old and new formula; old being dark Grey and new being similar to khaki color.
Old formula was more aggressive and used to make a bit of noise on a damp morning. When you get them warmed up they were very good though.
I had purchased titanium brakes(the brand was called titanium) in the past and they were so hard that they took almost two weeks before they stopped squeaking.
Remember that new brakes on a used rotor has to conform to it. As one surface is uneven it will squeak and vibrate until it is worn to match
I also find that the more metal the brake pad contains the more it tends to be noisy
See if you can source Bosch brake pads or mintex pads for your application

Personally don't care much if the brakes make noise once the vehicle stops


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1UZFE
PostPosted: Sat Sep 20, 2014 7:23 am 
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Bro go in d bamboo n c if u get fused brakes . If dat makes noise den buy a whole rotor and caliper set up..


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Hibrydsoul
PostPosted: Sat Sep 20, 2014 2:54 pm 
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dan86 wrote:
Hibrydsoul wrote:
The shims? I took them out completely and was still experiencing the noise, so its not them. In fact I started getting the noise of the pads shaking so I placed them back in.


Not the shims. Parts labelled 47716 and 47717: Toyota sells them as the fitting kit
http://www.toyodiy.com/parts/p_G_200209 ... _4705.html

OEM pads are best. Front and back.
If you find the shims slack or the black coating peeling, change them one time with the pads. The shim kit comes with the black tacky grease also, so you get no shim rattle for the life of the pads


Sorry I was told that they were called caliper shims.... Those were the parts I took out and still got the noise. So I put them back in because was then also getting the pads rattling.


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Hibrydsoul
PostPosted: Sat Sep 20, 2014 3:00 pm 
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LOUD AND CLEAR AUDIO wrote:
had a similar problem recently ---notsolved yet neither



Did you ever replaced the rotor/caliper setup? Because I'm thinking its an option but one I don't want to venture in yet as its most expensive. So seeing that you are also experiencing something similar and its not yet resolved. If you bought over rotor and caliper and the problem is yet to be resolved will cause me to conclude that buying over rotor and caliper isn't the solution.


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Hibrydsoul
PostPosted: Sat Sep 20, 2014 3:08 pm 
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Going to machine the rotors and buy OEM brake pads and see if that fixes the problem


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nareshseep
PostPosted: Sat Sep 20, 2014 3:28 pm 
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grease the shims


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Hibrydsoul
PostPosted: Sat Sep 20, 2014 3:45 pm 
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pjfred wrote:
Get pyrometer to check temperature. Do they emit noise from a cold state? Or when hot? Calipers slide on pins attached with bolts. If they are sticking you are in a world of hurt. Are the calipers boots torn or damaged in any way? If they are, their it is. Piston could be seizing. Who is your mechanic? His qualifications?
I have seen a lot of a$$holes on these forums speak of things they hear about. Get a mechanic who actually might be cheaper than these fools with big garage and equipment who don't know sheit To diagnose.


will have to check this out thanks....


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nareshseep
PostPosted: Sat Sep 20, 2014 4:02 pm 
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There are some u shape paperclip diameter "springs" holding the pads apart just slightly above the rotor.It could be that these are stretched and depending on steering angle the pads may be touching on the rotor, accounting for the intermittent screeching. Check and see if is only when your are turning the steering. Also if rims are not tightened properly, Check to see if there is movement with the rim.


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NR8
PostPosted: Sat Sep 20, 2014 5:12 pm 
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Do your rotors have any uneven wear/ridges if you pass your fingers across them? Any "lip" on the outer edge of the rotors?


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Hibrydsoul
PostPosted: Sun Oct 05, 2014 1:27 pm 
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It have yeah


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NR8
PostPosted: Mon Oct 06, 2014 12:21 pm 
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That could very well be the cause.


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jnelo
PostPosted: Wed Oct 15, 2014 10:17 pm 
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I had this same problem. The right side rotor had the same lip. I changed the rotor and installed new brake pads. Problem solved.


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Hibrydsoul
PostPosted: Tue Oct 21, 2014 9:11 pm 
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Nice I intend on doing just that, waiting on funds though :cry: funds low


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NR8
PostPosted: Tue Oct 21, 2014 9:48 pm 
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You could get it machined instead of buying a new one.


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Hibrydsoul
PostPosted: Tue Oct 28, 2014 12:15 pm 
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It turns out it was the shield behind the rotor touching at the bottom, the noise has stopped, but I'm still going to have the rotors machined for smoother handling.


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