Guest joeauk Posted May 1, 2008 Share Posted May 1, 2008 hi guys and gals i have recently fitted the cosworth rear brake conversion and the rs turbo front brakes to my mk4 rst cabby thing is i have bled the brakes sevrel times and the brake pedel feels really bad and the brakes only work when your foot is pushed right down ive heard of them describe the pedel as spongey but this is crazy i have also took my master cylinder off before so could i have done some thing to that it also has braided hoses alround apart from one front one coz i messed it up lol ne info would be great cheers Link to comment Share on other sites More sharing options...
Guest markeyboy Posted May 2, 2008 Share Posted May 2, 2008 it could be the amount of volume that is required to push the pots out in the calipers, as they should be larger if it is that there isnt much that can be done other than a different master cylinder (i think) Link to comment Share on other sites More sharing options...
escortcabrioletclub Posted May 2, 2008 Share Posted May 2, 2008 i had the same problem when i went to 4pots front and cossie rears ...... took out ford balnce valves put in a bias valve changed to one line rears easy as that Link to comment Share on other sites More sharing options...
Guest joeauk Posted May 22, 2008 Share Posted May 22, 2008 so wot parts do i need to buy tony and wot do i need to do lol :icon_salut_gb: Link to comment Share on other sites More sharing options...
Guest steelcabby Posted June 1, 2008 Share Posted June 1, 2008 most problems with the brake bleeding on cossie rear calipers is they don't bleed properly. you need to take them off and bleed them at the right angle to get the air out as it traps. i had the same problem, bleed bleed bleed and it was spongey and only really worked when hard to the floor. mine eventually sorted itself out. also if you have taken your servo out, that might be another reason. there is a seal inside and if you pull out the plunger too far it will damage the seal and render it usless, well enough to cause you brake problems Link to comment Share on other sites More sharing options...
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