HelP!? NO brakes at all
 

alright about a month ago i changed my front rotors, pads and calipers. the brakes were great. then recently i went to drive it and the pedal with just go to the floor. i checked to see if i blew a brake line and everything is fine, still have fluid in the tank. i was thinking master cylinder but wasnt sure. can anyone help

If you're still full on fluid, not leaking, and have no pedal, then it's either the master cylinder, or the steel rod that connects the pedal to the master cylinder has gone out of position somehow, maybe disconnected at the pedal swivel.

I would check the brake booster if no leaks are present.

Loss of the booster would only result in a hard pedal. Sounds like you lost your master cylinder...

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thanks for the help guys, how hard is it to replace it? cant say ive done it before. doesnt seem to look to hard

Pretty straightforward. Just be sure to follow the manufacturer's instructions on bench bleeding the cylinder before installation. If you don't do this, you will never get all the air out of the system.

Changing it out is pretty straight forward. Make sure you use line wrenches for the brake lines to prevent stripping the nut. The only part that gives some people problems is bleeding the system after you put the new parts on.