The brake pedal is having to be stepped on so hard that I feel like at traffic lights- that I am going to put my foot through the floor.. It keeps rolling sometimes, where I have to pull the E-brake.. What could be the issue?? I've heard "master cylinder" and "brake booster".. The fluid level stays full.. What do you think?? Please help..

 

my guess would be the master cylinder.. you might also want to check the slave cylinder... just a though

 

I thought slave cylinders are for manual transmissions..??? What about the brake booster????

 

check the brake booster vaccum, if vaccum good, the diaphram may have gone bad.

 

How can I check the booster vacuum??

 

remove the hose from the engine side to see if you have proper vaccum, and through the check valve. go to hondaautomotiveparts.com and go to master cylinder, you will see the line and check valve. Also Autozone.com register for free, go through repairs and it will show you how the system works.