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Old 04-13-2012, 09:32 PM   #1
juelmeya
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Default new brakes and rotors making noise while making a right turn. please help

I just installed all new pads and rotors all around. After driving for couple miles. I Noticed that front driver side brake is making an unusual noise while making a right turn. happened when I dont have yhe brakea applied and making a turn. The noise feela like the brakea are rubbing against the rotors and its loud. Loud enough I can hear it with my windows closed. Firat time it happened I got scared. Anyway all,the brakea and calipers off again,and double checked for any contact. I could not find anything. Drove it agaon the noise still come while making right turn. Anyone have any idea...thanks
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Old 04-13-2012, 09:58 PM   #2
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On the front check if the dust shield is bent and hitting on something.
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Old 04-13-2012, 10:08 PM   #3
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Originally Posted by Ernest View Post
On the front check if the dust shield is bent and hitting on something.
^^^ This
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Old 04-13-2012, 10:19 PM   #4
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I checked every little thing that can be in contact with.. Rotor is freely moving while the car was lifted,.I turned the wheel all the way to the right and spun the wheel no noise..i ran out of things to check..
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Old 04-13-2012, 10:55 PM   #5
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sounds like you have a failing wheel bearing, allowing for some slop in the assembly while under load.
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Old 04-13-2012, 11:04 PM   #6
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Originally Posted by Black94Snake View Post
sounds like you have a failing wheel bearing, allowing for some slop in the assembly while under load.
Then it would have been making the noise before he installed the new brakes. If the bearing was worn enough to cause a scrapping noise when turning it would be making a very loud noise when driving at high speeds.
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Old 04-14-2012, 12:07 AM   #7
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Yea its def not the bearing...this noise was never there with my old brakes and its metal on metal noise..I just bent the backing plate back more on both front wheels while the car is on the ground...still the noise is there
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Old 04-14-2012, 05:35 AM   #8
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Originally Posted by MD04WRX View Post
Then it would have been making the noise before he installed the new brakes. If the bearing was worn enough to cause a scrapping noise when turning it would be making a very loud noise when driving at high speeds.

not necessarily! Rotors are thinned down over time. Installing a new set of pads and rotors could have created a new clearance problem that was not seen previously.

Last edited by Black94Snake; 04-14-2012 at 05:55 AM.
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Old 04-14-2012, 09:38 AM   #9
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not necessarily! Rotors are thinned down over time. Installing a new set of pads and rotors could have created a new clearance problem that was not seen previously.
Did you read the entire post? Have you ever had a bad wheel bearing on a car before? I've had plenty (In the last 4 years 1 on my SVX, 1 on my LGT, and 2 on my SVT). And I procrastinate and drive until the noise is so loud I can hear it over the radio before finally getting them replaced. If the bearing had enough play to cause scrapping when turning than it would be making noise while driving straight.

On the other had I have had the same problem the OP has after doing brake or suspension work and even just swapping wheels and it's always been the dust shield rubbing the rotor.
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Old 04-14-2012, 11:42 AM   #10
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Quote:
Originally Posted by MD04WRX

Did you read the entire post? Have you ever had a bad wheel bearing on a car before? I've had plenty (In the last 4 years 1 on my SVX, 1 on my LGT, and 2 on my SVT). And I procrastinate and drive until the noise is so loud I can hear it over the radio before finally getting them replaced. If the bearing had enough play to cause scrapping when turning than it would be making noise while driving straight.

On the other had I have had the same problem the OP has after doing brake or suspension work and even just swapping wheels and it's always been the dust shield rubbing the rotor.
You don't know anything about who I am, or what I do. An old and worn wheel bearing will begin to show signs of lateral play FAR before it makes any noise. I just recently diagnosed a Nissan Maxima with a squeaking noise in the rear when making a hard left turn. Turned out to be a small dust shield designed to guard the ABS sensor, was touching the back of the rear wheel bearing when under a full load. Had the bearing failed? No! Did it have noticeable play? No! Was it obvious that there was metal on metal contact, when I removed the wheel bearing from the hub? Yes.

I'm not the average Joe schmoe that regurgitates the crap he reads on the interwebs. I speak from first hand experience that I have gained from my many years of automotive diagnostic/repair/modification.

Last edited by Black94Snake; 04-14-2012 at 03:38 PM.
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Old 04-14-2012, 12:09 PM   #11
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Alright guys any ideas for me? What else I should be checking for? Greatly appreciate it thanks.
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Old 04-14-2012, 03:43 PM   #12
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Quote:
Originally Posted by juelmeya
Alright guys any ideas for me? What else I should be checking for? Greatly appreciate it thanks.
If you have made absolutely sure that the dust shield is not contacting the rotor, I would suggest that you get into an area where you can continuously get the car to make the noise. After you have had the noise for a while, take the rotors off and inspect them. I would put money on them making some sort contact with the caliper assembly or any type of thin pad shim that you may have in the caliper brackets.

I can't see what year your car is on the mobile app, I'm assuming it is not an 06-07 or an STi.
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Old 04-14-2012, 05:12 PM   #13
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This exact thing just happened to me after installing centric high carbon rotors and stoptech street pads last night.

I did the bed-in this morning; got the rotors nice and glazed. But soon afterwards I had a metal on metal rubbing noise coming from the left side when making right turns, no brakes applied. I stuck my head out the window and went in circles listening to it coming from the rear. Left turns were silent.

Took off the caliper/rotor and found this spot on the on the bottom of the backing plate was contacting the new rotors:




I ground that area in a few mm, maybe 1/16", with some dremel bits, and it completely solved the problem. Might be your issue also...
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Old 04-14-2012, 05:18 PM   #14
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Just a heads up, like I have posted before. That indicates a wearing wheel bearing (not a failed one... Yet)
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Old 04-14-2012, 06:44 PM   #15
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I wish backing plate is the only thing thats scraping.. Cause I doNT wanna do bearing. I'm gonna take it apart again and check the backing plate again...
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Old 04-15-2012, 02:18 PM   #16
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Sounds like the same thing here.
I replaced the front rotors and pads over a year ago, and they were making a rubbing sound when turning after the replacement. I figured it would eventually wear in and stop, but it has gotten worse. I have taken the calipers and rotors off a couple times now and no visible wear is noticeable. There does not appear to be any play in the bearings either.
Today I took it apart again and took the backing plate off, and it did not make any difference. I am stumped on this one and am considering replacing the hub and bearings just to see if it helps, but I dont want to waste any money. Does anyone have anymore ideas?
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Old 04-16-2012, 09:40 AM   #17
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Yea i'm stuck too.......i'm going to take off everything on Thrusday again to see if I can find anything I have missed. Also such today on the highway going 70mph my steering wheels vibrating which never happened before. I'm thinking my wheel bearing is gone..how do I check if the wheel bearing is bad?
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Old 04-16-2012, 10:16 AM   #18
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Quote:
Originally Posted by DoggoD
Sounds like the same thing here.
I replaced the front rotors and pads over a year ago, and they were making a rubbing sound when turning after the replacement. I figured it would eventually wear in and stop, but it has gotten worse. I have taken the calipers and rotors off a couple times now and no visible wear is noticeable. There does not appear to be any play in the bearings either.
Today I took it apart again and took the backing plate off, and it did not make any difference. I am stumped on this one and am considering replacing the hub and bearings just to see if it helps, but I dont want to waste any money. Does anyone have anymore ideas?
Question did u check if the rotor is rubbing against the caliper bracket?
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Old 04-16-2012, 11:42 AM   #19
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oh man!yesterday i installed new brembo's and pads. i having the same noise from rear while taking a right or left turn...



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Old 04-16-2012, 12:26 PM   #20
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Have check your reservoir that is not over the full line. Sometimes people as their brakes wear will top off the reservoir, then what happens when u put new pads on the reservoir is to full and everytime u turn a corner the calipers will clamp down on the rotor sometimes off it is bad enough can cause the Tires to lock up. Good luck
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Old 04-16-2012, 01:48 PM   #21
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Quote:
Originally Posted by trev762
Have check your reservoir that is not over the full line. Sometimes people as their brakes wear will top off the reservoir, then what happens when u put new pads on the reservoir is to full and everytime u turn a corner the calipers will clamp down on the rotor sometimes off it is bad enough can cause the Tires to lock up. Good luck
Lol... Not even close.
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Old 04-17-2012, 08:42 PM   #22
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mine is solve. what i did is, used a floor jack and raise my rear car then tighten my both rear wheel real good.
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Old 04-17-2012, 09:32 PM   #23
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Quote:
Originally Posted by Black94Snake

Lol... Not even close.
I would rethink what u said cause I've seen it happen. Buddy of mine was leaving the shop hammered down around the first corner and just skidded off the rd hit the curb and across someones yard. Long story short he did brakes recently and forgot he had topped off the reservoir before he had done the brakes he said he never touched the brakes they just locked up on him. I don't know theory behind this but there r writeups about this occurring when overfilling the reservoir
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Old 04-18-2012, 09:17 AM   #24
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It might not be a problem at all. I put new pads, rotors, front calipers, lines and fluid on my sti. Drove it around a bit and for the first few days it was making wierd cyclic noises. There was lots of rubbing and it was most apparent when going around corners. I just let it go and after a few days and some bedding in and heavy braking runs, it went away. Not sure but I believe it's because no 2 parts are exactly alike. There will be high and low spots as well as differences in clearances and parts will rub till the hysteresis is taken out of the system.

That is my explanation, but if you feel it is more of a problem than that, you may want to get it checked out.
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Old 04-18-2012, 09:36 AM   #25
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Originally Posted by trev762

I would rethink what u said cause I've seen it happen. Buddy of mine was leaving the shop hammered down around the first corner and just skidded off the rd hit the curb and across someones yard. Long story short he did brakes recently and forgot he had topped off the reservoir before he had done the brakes he said he never touched the brakes they just locked up on him. I don't know theory behind this but there r writeups about this occurring when overfilling the reservoir
The theory is correct, just not in this application. Brake clamping happens in systems that do not have the ability to vent pressure. What would happen is that the fluid would heat up, causing thermal expansion. The pressure could not bleed off through the master cylinder cap and would then cause the brakes to begin to expand as if they were being applied. The subaru however does not suffer from this. If you top off the master cylinder before pushing back the calipers, you will find that upon compressing the calipers, fluid will bypass the cap and flow out via the vent hole that is now used as a preventative measure against thermal brake clamping.


As for your friend, he probably forgot to pump his brake before driving.
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