Brake Problems?? or something else? please help

bobiseverywhere

bobb'n for money
Apr 1, 2005
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Well i am just trying to figure this out,

Latley when i go to step on my brakes after the system is cold, my pedal is hard to push and becomes like a rock really fast, I do not have normal braking ability and if i push any harder the brakes lock up and the ABS kicks in which in turn actually has been making my stopping distances even further.

1. When cold the brake pedal is hard to push can not be pushed far and wheels lock up upon trying to apply more break pressure.

2. Once warm, pedal play feels more normal and brakes begin to function a little more like what you would expect.

3. Once nice and heated up brakes seem to work fine, even better and the brakes work like a champ.


The system
EBC Green stuff Pads on the front, Some Normal Pads on the Rear. SS braided lines on the front. Brembro Replacement rotors that have been cross drilled (i know)

I have some Motul RBF600 non Silicone based Brake Fluid. Right out of the bottle though it looks like old Brake fluid :( it is very dark in colour fresh from a newly opened bottle.

I have no idea what going on with my brake but definitely need some help and suggestions

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Update July 3rd

Changed the Booster and Master today and Bled the Master and all the Lines. The Brake Pedal is still hard on first Push almost rock hard and still no braking power, if i push it again right away just after letting go, then the brakes will work on the second of third Try?????

Please HELP!
 

bobiseverywhere

bobb'n for money
Apr 1, 2005
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Ok Well Now i am Stumpped???

Changed the Booster and Master today and Bled the Master and all the Lines. The Brake Pedal is still hard on first Push almost rock hard and still no braking power, if i push it again right away just after letting go, then the brakes will work on the second of third Try?????

Please HELP!
 

Indio 7M-GTE

New Member
Sep 4, 2006
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i think is the brake booster to me.when cold there is less vaccum than when its hot..so i think there is minor leak inside of the brake booster,i never heard that the abs unit fail like that!well there is chance that the unit fail..
 

bobiseverywhere

bobb'n for money
Apr 1, 2005
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Problem is i changed the brake booster and master, the problem is still there, unless i changed it with another broken booster? but i realy doubt that, came off of a car with 55,000Km about 30,000 miles and it was so clean you could almost eat off of it.
 

bobiseverywhere

bobb'n for money
Apr 1, 2005
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ok well i went to go try and when i pull that hose off, There is a great vaccum in it put my thumb over and began to take it off, i could hear it sucking in a whole bunch of air, so what am i missing here?

Nothink in the TSRM makes sense for whats going on and i changed the one thing that it could have been, the brake booster.