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Think I found why my front brakes were making a grinding sound

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Old 07-23-2008, 04:04 PM
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Think I found why my front brakes were making a grinding sound

Driving me nuts hearing my brakes grind when I knew I had a lot of pad left. I went ahead and bought some new ProStop Ceramic pads (had them on my 626, great pads) at Pep Boys. Pulled off the old pads and this is what I found on the right front:



It appears whatever metallic material used was causing some very light grooving in the pad itself-you should be able to see it in the top part of the pad. Didn't seen any problems with the rotors.

No idea who made the pads on the car, they have an "AM" stamped on them. Anyway, I bedded in the new brakes and stopping is now grind free.
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Old 07-23-2008, 04:43 PM
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I hope you got you rotors turned while you were at it, otherwise your new pads will turn out the same way...
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Old 07-23-2008, 06:51 PM
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Rotors looked fine, just cross-hatched them with some 400 grit.

I think the pads were defective, saw some light cracking too. I don't brake hard either.
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Old 07-23-2008, 06:53 PM
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yeah...when i replaced my pads, i just replaced the rotors too...i had a terrible groove in the rotors

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Old 07-23-2008, 06:58 PM
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No grooves but you have to love how easy it is to replace the rotors if you have to.
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Old 07-23-2008, 07:01 PM
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and OEM replacement rotors are cheap...and look so much better

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Old 07-23-2008, 07:02 PM
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Oooh, shiny!
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Old 07-23-2008, 07:03 PM
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after a few hundred miles

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Old 07-24-2008, 07:10 AM
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Originally Posted by SoonerFan
after a few hundred miles

zinc plated FTW. My brakes still look like that after 45k miles.
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Old 07-24-2008, 09:39 AM
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Originally Posted by SoonerFan

i didn't know OEM replacements were zinc plated! i thought just aftermarket rotors were.. where did you get those... not the stealer right?

Last edited by wyche89; 07-24-2008 at 09:44 AM.
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Old 07-24-2008, 10:34 AM
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I painted the hub area of all 8 of my rotors (yes, 8: 4 on the car, 4 spares ready to go) with black hi-temp spray paint. Cut out a template from cardboard, degreased and acetone'd the hub areas, and sprayed 'em.

One of my brakes is making that grind. Will check it out!

-AJ
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Old 07-24-2008, 02:40 PM
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I just replaced all 4 of my rotors with Brembo blanks about a week ago, as well as replaced OEM pads with Hawk HPS. After only a couple days of rain, my new shiny rotors became bright orange around the hub with rust...WTF? Is there anything I can do to fix this before it gets worse, and to prevent it in the future? I might have to try what AJ~ did...any easier solutions?
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Old 07-24-2008, 02:44 PM
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Originally Posted by SoonerFan
after a few hundred miles

Why are your struts blue?
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Old 07-24-2008, 02:49 PM
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Originally Posted by sublime258
Is there anything I can do to fix this before it gets worse, and to prevent it in the future? I might have to try what AJ~ did...any easier solutions?
Yes....drive your car around. When you apply the brakes a few times, the rust from the rain will go away.
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Old 07-24-2008, 02:53 PM
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Originally Posted by sublime258
Why are your struts blue?
Those are tokico blues
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Old 07-24-2008, 03:14 PM
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Originally Posted by huffdaddy2008
Those are tokico blues
thats why they call them tokico blues... cause they're blue.. get it!! ha!



alright, corny joke...
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Old 07-24-2008, 03:16 PM
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Originally Posted by sublime258
I just replaced all 4 of my rotors with Brembo blanks about a week ago, as well as replaced OEM pads with Hawk HPS. After only a couple days of rain, my new shiny rotors became bright orange around the hub with rust...WTF? Is there anything I can do to fix this before it gets worse, and to prevent it in the future? I might have to try what AJ~ did...any easier solutions?
yeah, i had the exact same issue when i got my brembo rotors.. i was pissed! i think i even posted a thread about it... but short of painting them, there's not much you can do... to prevent that in the future, get a set of zinc plated rotors.. they will not rust
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Old 07-24-2008, 03:41 PM
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Originally Posted by huffdaddy2008
Yes....drive your car around. When you apply the brakes a few times, the rust from the rain will go away.
I don't mean on the actual part where the pads touch, I mean on the hub part.

Originally Posted by huffdaddy2008
Those are tokico blues
Originally Posted by wyche89
thats why they call them tokico blues... cause they're blue.. get it!! ha!



alright, corny joke...
I was asking because I thought he had Illuminas.

Originally Posted by wyche89
yeah, i had the exact same issue when i got my brembo rotors.. i was pissed! i think i even posted a thread about it... but short of painting them, there's not much you can do... to prevent that in the future, get a set of zinc plated rotors.. they will not rust
Thanks, maybe I'll try painting them black or something...
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Old 07-24-2008, 05:36 PM
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Originally Posted by sublime258
I just replaced all 4 of my rotors with Brembo blanks about a week ago, as well as replaced OEM pads with Hawk HPS. After only a couple days of rain, my new shiny rotors became bright orange around the hub with rust...WTF? Is there anything I can do to fix this before it gets worse, and to prevent it in the future? I might have to try what AJ~ did...any easier solutions?
thats why i used high temp paint on everything that the pads wouldnt touch
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