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These are the front inside pads after 52K miles. :shock:
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Want to see some uneven pad wear? [UPDATE 5/4: NO MORE NOISE!!]
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7,677 Posts
Re: Want to see some uneven pad wear?
epic fail
epic fail
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38,350 Posts
Re: Want to see some uneven pad wear?
Yes, but is it rotor fail or piston fail?
I'm going with rotor, because the outside pads are pretty even.
Yes, but is it rotor fail or piston fail?
I'm going with rotor, because the outside pads are pretty even.
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37,640 Posts
Re: Want to see some uneven pad wear?
Did you notice more brake dust on one side vs the other? For all you know, they could've been uneven from the factory (although unlikely).
I want to say thats a piston problem, but thats only because I cant see how a rotor would cause that.
Did you notice more brake dust on one side vs the other? For all you know, they could've been uneven from the factory (although unlikely).
I want to say thats a piston problem, but thats only because I cant see how a rotor would cause that.
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31,524 Posts
Re: Want to see some uneven pad wear?
it didn't pull or anything? excessive dust on that wheel?
it didn't pull or anything? excessive dust on that wheel?
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395 Posts
Re: Want to see some uneven pad wear?
I don't think it's that unusual.
My MS3 had worse wear than that (and more uneven) after 15k miles (and 4 track days)
It may just be the reality of a one piston setup.
Your pads look very good after 50k+ miles.
I don't think it's that unusual.
My MS3 had worse wear than that (and more uneven) after 15k miles (and 4 track days)
It may just be the reality of a one piston setup.
Your pads look very good after 50k+ miles.
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38,350 Posts
Re: Want to see some uneven pad wear?
[quote author=John_in_the_LBC link=topic=143596.msg3093593#msg3093593 date=1241058254]
it didn't pull or anything? excessive dust on that wheel?
[/quote]
When braking, yes. In addition to the noise.
[quote author=John_in_the_LBC link=topic=143596.msg3093593#msg3093593 date=1241058254]
it didn't pull or anything? excessive dust on that wheel?
[/quote]
When braking, yes. In addition to the noise.
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945 Posts
Re: Want to see some uneven pad wear?
Remember that we're using single piston sliding calipers, and the force is not equal on both sides.
And that looks excellent for anything over 30k miles.
Remember that we're using single piston sliding calipers, and the force is not equal on both sides.
And that looks excellent for anything over 30k miles.
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31,524 Posts
Re: Want to see some uneven pad wear?
this should help
http://www.acuravigorclub.com/Timely-Topics/Timely1204.htm
this should help
http://www.acuravigorclub.com/Timely-Topics/Timely1204.htm
Joined
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38,350 Posts
Re: Want to see some uneven pad wear?
[quote author=t0p_sh0tta link=topic=143596.msg3093728#msg3093728 date=1241061427]
Remember that we're using single piston sliding calipers, and the force is not equal on both sides.
And that looks excellent for anything over 30k miles.
[/quote]
I agree, on the passenger side pad... but the driver's side was almost down past the groove. definitely time to replace that one, ergo, time to replace all the front pads
[quote author=t0p_sh0tta link=topic=143596.msg3093728#msg3093728 date=1241061427]
Remember that we're using single piston sliding calipers, and the force is not equal on both sides.
And that looks excellent for anything over 30k miles.
[/quote]
I agree, on the passenger side pad... but the driver's side was almost down past the groove. definitely time to replace that one, ergo, time to replace all the front pads
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31,524 Posts
Re: Want to see some uneven pad wear?
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
Re: Want to see some uneven pad wear?
I've seen a lot worse. I wouldn't even worry about it, you don't have a caliper problem.
Also, I like how people are making comments on how good your brakes look for 50k+ miles. It doesn't matter how much you drive, it matters HOW you drive.
If you drove all highway, you could have 200k miles and your pads look like that. If you drive all city and are hard on the brakes, they could be that way in 30k miles.
If you drive like a fucktard, or track your car, they can look like that in 2k miles.
I've seen a lot worse. I wouldn't even worry about it, you don't have a caliper problem.
Also, I like how people are making comments on how good your brakes look for 50k+ miles. It doesn't matter how much you drive, it matters HOW you drive.
If you drove all highway, you could have 200k miles and your pads look like that. If you drive all city and are hard on the brakes, they could be that way in 30k miles.
If you drive like a fucktard, or track your car, they can look like that in 2k miles.
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38,350 Posts
Re: Want to see some uneven pad wear?
[quote author=John_in_the_LBC link=topic=143596.msg3093755#msg3093755 date=1241061942]
this should help
http://www.acuravigorclub.com/Timely-Topics/Timely1204.htm
[/quote]
Don't let it be inner pad option one, don't let it be inner pad option one.... :shock:
[quote author=John_in_the_LBC link=topic=143596.msg3093755#msg3093755 date=1241061942]
this should help
http://www.acuravigorclub.com/Timely-Topics/Timely1204.htm
[/quote]
Don't let it be inner pad option one, don't let it be inner pad option one.... :shock:
Re: Want to see some uneven pad wear?
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
Joined
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38,350 Posts
Re: Want to see some uneven pad wear?
I don't really think it's a caliper problem--when I bled the line to compress that piston, it slid in nice and smooth. I really think there's a problem with the rotor, something the pad is catching on on every revolution that is wearing that pad prematurely.
I don't really think it's a caliper problem--when I bled the line to compress that piston, it slid in nice and smooth. I really think there's a problem with the rotor, something the pad is catching on on every revolution that is wearing that pad prematurely.
Joined
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38,350 Posts
Re: Want to see some uneven pad wear?
[quote author=ryukensfj link=topic=143596.msg3093818#msg3093818 date=1241063948]
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
[/quote]
But that doesn't explain why one side is wearing more than the other...right?
[quote author=ryukensfj link=topic=143596.msg3093818#msg3093818 date=1241063948]
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
[/quote]
But that doesn't explain why one side is wearing more than the other...right?
Re: Want to see some uneven pad wear?
[quote author=Alec Trevelyan link=topic=143596.msg3093823#msg3093823 date=1241064059]
[quote author=ryukensfj link=topic=143596.msg3093818#msg3093818 date=1241063948]
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
[/quote]
But that doesn't explain why one side is wearing more than the other...right?
[/quote]
No it doesn't... Have you checked the rotors? Is it the same thickness on both sides. Are they both smooth?
[quote author=Alec Trevelyan link=topic=143596.msg3093823#msg3093823 date=1241064059]
[quote author=ryukensfj link=topic=143596.msg3093818#msg3093818 date=1241063948]
[quote author=John_in_the_LBC link=topic=143596.msg3093796#msg3093796 date=1241063251]
Inner pad wear
Inner pad wear usually occurs when the piston can't retract properly. The piston may be binding in a scored cylinder. The piston seal may be distorted or just plain worn out. Both of these indicate a caliper teardown and rebuild.
The pad may be binding on a corroded caliper bracket. If this is the case, you may be able to clean the corrosion with emory cloth and brake cleaner. (Remember to keep brake cleaner away from rubber parts.) After the sliding surfaces have been cleaned, apply a dab of brake lubricant.
[/quote]
LOL I would also think the inner pad wear can be caused by riding the brakes on a downhill... It can make sense because you might not apply enough pressure to have them touching the rotor evenly.
[/quote]
But that doesn't explain why one side is wearing more than the other...right?
[/quote]
No it doesn't... Have you checked the rotors? Is it the same thickness on both sides. Are they both smooth?
Joined
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38,350 Posts
Re: Want to see some uneven pad wear?
Yeah but the new pad makes the same noise as the old pad when braking :dunno:
Rotor is next on my list--going to check it tomorrow. Should get some gloves first though, this brake dust is bloody impossible to get off the skin :shock:
Yeah but the new pad makes the same noise as the old pad when braking :dunno:
Rotor is next on my list--going to check it tomorrow. Should get some gloves first though, this brake dust is bloody impossible to get off the skin :shock:
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