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Old 06-14-2013, 05:28 AM   #1
951_Zx3
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Exclamation brakes soft after pad change ????

I changed the front pads on my 03 . Afterwards the brake pedal is soft and goes all the way to the floor when car is on. Brakes were working perfect before pad change. They wont get stiff even if I pump them . Only gets stiff when the car is off. I bled the four corners and it didnt help.... What the heck happened??? This is my only car and I have to transport my family in it.


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Old 06-14-2013, 09:39 AM   #2
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If you can get someone to press the pedal while you watch the calipers, look for movement - that would show where something isn't seating right leading to flex & a soft pedal.

Beyond cocked/sticking pads, sticking slider pins etc., recently had one thread that turned out to be bad new pads! They were cut at an angle, pad surface NOT parallel to the backing plate so they wouldn't touch the rotor flat!

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Old 06-14-2013, 11:54 AM   #3
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So even if you kept pumping the brakes they would not get stiff??? I keep pumping mine and it almost seems like the pressure is escapimg somehow. All I did was open the push the pistons back into the calipers to install the new pads like I allways do. Is there any way I damaged something by doing that?
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Old 06-16-2013, 02:31 AM   #4
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Worthless question with no possible answer, since it makes no sense. What did you open? You don't open anything, simply push pistons back in.
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Old 06-20-2013, 03:42 AM   #5
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^shouldnt he have *opened* the master cylinder so the pressure of pushing the pistons back in has somewhere to go? Don't know how foci are yet- but on the jeeps that was a sure way to cause a wheel cylinder to start leaking cause it's the weakest point in the system. Just a thought.

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Old 06-20-2013, 06:13 AM   #6
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Start by trying to bleed your brakes, and also make sure the fluid level is good.
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Old 06-20-2013, 07:58 AM   #7
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did you drop any of the calipers where the brake lines could have been damaged? check the soft lines for any leaking fluid. I just did my fronts a month ago and had no issues. When I swapped my rears, i had to bleed the system.

At any point when you were bleeding the brakes, did the reservoir go dry? I would just try bleeding some more, make sure the bleeder valves are closed, no leaks there. Also, I wouldnt trust the "one-man bleeding" $10 kits and still do it the old fashion way with someone working the brakes and the other opening/closing the valve. Do right rear, left rear, right front, left front.
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