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my brake pedal sinks when i stop......

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Old 05-14-2003, 11:42 PM
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Default my brake pedal sinks when i stop......

when im driving and step on my brakes, the pedal slowly sinks to the floor. so i have to let go of the pedal and step on the brakes again to slow down. do u guys think its the brake master cylinder?

ive just bled the brakes so i know theres no air in the system.

any suggestions to whats wrong?
Old 05-15-2003, 12:34 AM
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Default Re: my brake pedal sinks when i stop...... (Tx92AccordExD)

Mine did the same thing and it was the Mastere Cylnder. Mine was $180.00 to replace.
Old 05-15-2003, 12:45 AM
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mine does the same thing (90 lx)
people have told me its either the master cylinder or the calipers
i got it checked by my mechanic he says all i need is to machine my rotors, and get new pads and shoes
it happens cuz ur loosing pressure, any vibration when u stop?
Old 05-15-2003, 02:09 AM
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no vibration, just the pedals sinkin to the floor.

i dont think its the caliper though.
im thinking its my master cylinder.
Old 05-15-2003, 03:53 AM
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Default Re: my brake pedal sinks when i stop...... (Tx92AccordExD)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Tx92AccordExD &raquo;</TD></TR><TR><TD CLASS="quote">when im driving and step on my brakes, the pedal slowly sinks to the floor. so i have to let go of the pedal and step on the brakes again to slow down. do u guys think its the brake master cylinder?

ive just bled the brakes so i know theres no air in the system.

any suggestions to whats wrong?</TD></TR></TABLE>
Was it doing it before you bled the brakes? Are there any leaks?
Old 05-15-2003, 05:40 AM
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Default Re: my brake pedal sinks when i stop...... (Chiovnidca)

Did you pump the pedal all the way to the floor when bleeding the brakes? This will loosen dirt and /or blow the MC seals out. It's most likely the MC is bad. Just double check to make sure none of the bleeders on the calipers are loose...
Old 05-15-2003, 06:21 AM
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Default Re: my brake pedal sinks when i stop...... (Tx92AccordExD)

bleed your brakes.
Old 05-15-2003, 10:06 AM
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Default Re: my brake pedal sinks when i stop...... (YeuEmMaiMai)

Sounds like the MC do the brakes work if you hit them hard? but if you do it slowly they go to the floor?
Old 05-15-2003, 10:16 AM
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Default Re: my brake pedal sinks when i stop...... (briq4)

yea most likly master cylinder.. and or air inthe lines..
Old 05-15-2003, 11:39 AM
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Get a mechanic to check ur master cylinder be4 u go changing it, everyone said the same thing for me "Bleed ur brakes, check master cylinder" and such, and it turned out its just i need new pads and shoes...
go to a mechanic be4 spending $150+ on a new MC.....
let us know what it turns out 2 be...
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