S2000 Under The Hood S2000 Technical and Mechanical discussions.

Brake pedal problem after full brake change

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Old 06-15-2013, 01:16 PM
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Default Brake pedal problem after full brake change

It only does this at low(40 and below)speed. Basically it feels as if the brake pedal is moving in and out and pulsing. The car isnt doing it, only the pedal. Passengers cant feel it.

Here is everything I did when I did the brake job.
Bought stoptech stainless lines, cheap rotor blanks and stoptech street pads. painted the calipers(g2paint) off the car because I put new lines in. After the job the car didnt feel right so I bled the lines again and again using different methods. No air coming out it seems. All good. Checked for leaks. All good. The brakes might be getting a tad better as I use them but I don't think its right. I followed everything from a book. So im stuck. Any advice please.
Old 06-15-2013, 02:57 PM
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Double check over everything, something isnt right. Ive never heard of an issue like this. Seems like a MC problem or the booster as vacuum would be different in low rpms vs steady highway driving.

Did you hear about the MC recall on 2006's? What year is yours?
Old 06-15-2013, 03:20 PM
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did you bed the brakes properly? and I would recommend gravity bleeding the brakes starting with the RF then move to the LF, then do both rears
Old 06-15-2013, 04:44 PM
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Do you guys think it could be warped rotors. I'm going to call them Monday. My buddy also said he could feel the vibration now
Old 06-15-2013, 05:03 PM
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its highly doubtful that brand new rotors are warped out of the box, even if they are cheap...and if it was warped rotors, the only way your buddy could feel it is if he drove it and the pedal pulsates when the brakes are applied...hes not going to feel it in the passenger seat
Old 06-15-2013, 06:04 PM
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He said he felt it pulsate and vibrate. I was thinking it wasn't a problem with rotors either. I might have some install pics I can post. I was painting so I took some pics here and there.
Old 06-15-2013, 06:06 PM
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I'd say it was rotors


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Old 06-15-2013, 06:07 PM
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You can look for a shop that has an on car brake lathe to turn the rotors true to the hubs


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Old 06-15-2013, 06:08 PM
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Or you have built up corrosion or something eles between the rotors and hubs


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Old 06-16-2013, 08:54 AM
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Originally Posted by summitrider2012
I'd say it was rotors


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I would agree, I had autozone rotors have this problem out of the box..of course not for my S2000..but for my Civic.


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