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[supersaw]

Hey Guys !

the car: omega 2.0 16v, 1995.
The problem: rear brakes doesn't work and my rear disk brakes are very rusty.
When I push a brake pedal my brakes works only when my pedal is on the bottom (sorry, I'm not english native) and my whole braking performance is low. I pressurize my brakes (to ensure to have no air bubbles in the brake system), so my front brakes pressurize OK, I discarded brake liquid with some air bubbles in it. Now, on the rear end, my brake liquid doesn't discard. Brake liquid has no leaks.
So, I'm suspect that my master brake cylinder has a failure and thee brake liquid don't flow to the rear end.
I'm right ? Thanks for your help in advance.

[jonathanh]

it could be a number of things

1 master cylinder

2. air in the brake lines ( which I doubt as you have pushed new fluid in)

3. a failing flexible hose ( which expands when the pedal is pushed meaning that no pressure gets to the rear brakes)

4. seized rear calipers - meaning they do not move.

suggest

A inspecting flexible hoses when someone applies the brakes - this will help eliminate 3

B  try slowly pushing the piston back in, but do it carefully - if there is a lot of resistance then suspect a seized piston - replace with new or refurbish.  this deals with 4

C you don't think you have air in the system ( but there can be air locks in the ABS unit.  If in doubt bleed again to be certain

D then strip the master cylinder and refurbish/replace

HTH

[adey2]

i had this on mine, turns out the rear pads had rusted solid to the caliper, changed pads and cleaned all crud out around pads, now work perfect

[freecall666]

clean every thing up and do the check list in maintenance.
also check the disc thickness against the recomended thickness.

[supersaw]

Thanks guys ! I will check