Bleeding brakes

[MuddyMachine]

I am having little luck bleeding my brakes.

I have converted the fronts to Vented discs, with brand new callipers.
The fronts have bleb OK, but the rears seem to just be just froth with lots of big bubbles. I have gone through about 5lts of fluid. I have also noticed there is bubbles in the master cyl, when pressing the pedel.

It was ment to go for it MOT today, any Ideas cheers

[russ3120]

disd you bleed in order?
IIRC
rear nearside
rear offside
front nearside
front offside


when I bleed my brakes, I tend to open the nipple on the rear nearside and let it gravity bleed first, just to fill the system

[muddy90]

sounds like it needs new cylinder

[Artwigwa]

I am having little luck bleeding my brakes.

I have converted the fronts to Vented discs, with brand new callipers.
The fronts have bleb OK, but the rears seem to just be just froth with lots of big bubbles. I have gone through about 5lts of fluid. I have also noticed there is bubbles in the master cyl, when pressing the pedel.

It was ment to go for it MOT today, any Ideas cheers

I had same problem... turned out to be shot master cyl  :roll:

[MuddyMachine]

Sorted :D

Bought a bleed kit from machine mart. 30 seconds and it was fixed :roll: