I have a 95 miata and for awhile the right rear had a slow leak over time I forgot about it and about 2 weeks ago I ran out of bake fluid, well it was below the min line. The front left and right rear sized up so I bought 2 replacement ones. When I swapped them the brakes had no pressure, I bled from right rear, left rear, front right then left. When the car is off it has a little pressure to the pedal when you start the car there is absolutely no pressure but it does spring back still. I even tried replacing the brake master cylinder still didn't help is there something I'm doing wrong? Or something I can try

 

If you're the kind of person to run out of brake fluid it's safe to assume you probably didn't bleed the brakes correctly.
Did you bench bleed the new master before installing it? Where was the original leak coming from, did you fix that?

 

First of all I posted to ask for help not a dick *** comment and second if you read the post correctly it said the leak was coming from the right rear which I replaced. If I didn't know how to bleed breaks I wouldn't of done the job my self nor would I make this post. Thanks for your help you got me no where.

 

Make sure you bench bleed the master completely then install it and let the whole system gravity bleed. Keep the reservoir full. When you get steady stream of fluid coming out of each bleeder, close them. Grab a friend and finish bleeding each corner. After gravity bleeding it should only take a few pumps at each corner to get it bled out.

 

Was it leaking at the right rear caliper piston? The crush washer? The hose? The hardline on the body?

Does the car have ABS? Did you bench bleed the new master? Did you use a pressure/vacuum bleeder, or the two-man up/down method?

 

The reason you're getting nowhere is because your brakes are locked up.

Also, it's brakes. Not breaks.

 

Noob fight!! Noob fight!!

LOLOLOLOL.

 

Might have something to do with the adjustment screw in the rear calipers? Just a stab.