how to bleed brakes on an escort cosworth
10-09-2007, 03:36 PM
#1
how to bleed brakes on an escort cosworth
as above, i have just changed my brake discs and calipers on my front wheels and the hoses too. ive bled the drivers side and the passengers side but now when i drive forward and brake my back wheels lock up and when i reverse the back wheels squeak. is there a certain way to bleed the brakes ie engine off or on, is there a certain order to bleed them in. any help grateful. 
10-09-2007, 04:15 PM
#4
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Dont think so, im sure it probably does but i recently did my friends front brakes and they were ok.
if you did it with the key off then thats why the rears are locking - the cars have no servo so run a pressurised system, you have to have the key on to get fluid into the lines.
if you did it with the key off then thats why the rears are locking - the cars have no servo so run a pressurised system, you have to have the key on to get fluid into the lines.
10-09-2007, 04:22 PM
#5
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Originally Posted by bobfish
Dont think so, im sure it probably does but i recently did my friends front brakes and they were ok.
if you did it with the key off then thats why the rears are locking - the cars have no servo so run a pressurised system, you have to have the key on to get fluid into the lines.
if you did it with the key off then thats why the rears are locking - the cars have no servo so run a pressurised system, you have to have the key on to get fluid into the lines.
10-09-2007, 04:29 PM
#7
Correct method is:
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
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10-09-2007, 04:56 PM
#10
Originally Posted by The Diva
Correct method is:
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
10-09-2007, 05:16 PM
#11
ok
start with passenger front first
have someone hold the pedal down, then open nipple close nipple relase pedal, and repeat until no air comes out of fluid
do the same for drivers side front
rears, igntion needs to be on
have someone hold there foot on the pedal
open passenger side rear caliper until no air comes out and repeat for drivers side
you will have brakes and a very good pedal and should take no longer than 20mins
keep an eye on fluid
you have to have the cap off disconnect the sensors on cap obviously aswell
once finished top fulid up to max, turn igniton on and let the pump prime up, will take a few seconds, and again top up if needed
ths is roughly how the workshop manual says,
start with passenger front first
have someone hold the pedal down, then open nipple close nipple relase pedal, and repeat until no air comes out of fluid
do the same for drivers side front
rears, igntion needs to be on
have someone hold there foot on the pedal
open passenger side rear caliper until no air comes out and repeat for drivers side
you will have brakes and a very good pedal and should take no longer than 20mins
keep an eye on fluid
you have to have the cap off disconnect the sensors on cap obviously aswell
once finished top fulid up to max, turn igniton on and let the pump prime up, will take a few seconds, and again top up if needed
ths is roughly how the workshop manual says,
10-09-2007, 05:27 PM
#12
Originally Posted by georgie1
Originally Posted by The Diva
Correct method is:
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
Ignition in position 1(Aux)
Start with the rear,get someone on the pedal.......crack off the bleed nipple and get your helper to push the pedal half way down......the stored pressure will now pump the fluid and air out with no further pedal pumping...
Fronts are bled as normal,best to leave the cap off the master....
Just leave the key on aux,that will keep the system charged
02-05-2011, 04:32 PM
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11-12-2011, 12:57 PM
#16
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^this is the problem i have as the abs block sat on a bench for a long time, any one know how to fix it? the pump is running and creating pressure, fronts are bled perfect but no fluid appearing at the rear with ign running..
thanks
11-12-2011, 02:16 PM
#17
From what I remember you have to crack one of the return pipes to the master cylinder as there is some fluid back and forth issues that cause this
When the abs kicks in the fluid pressure will be sent back to the main pump but if there is no fluid in the system it will just be letting air in so you need to expel the air first
You could try to prime the thing with fluid first but that's a tricky ask so perhaps you'll need to find the lines and crack them all one by one until the fluid. Ones out?
When the abs kicks in the fluid pressure will be sent back to the main pump but if there is no fluid in the system it will just be letting air in so you need to expel the air first
You could try to prime the thing with fluid first but that's a tricky ask so perhaps you'll need to find the lines and crack them all one by one until the fluid. Ones out?
11-12-2011, 02:58 PM
#18
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^this is the problem i have as the abs block sat on a bench for a long time, any one know how to fix it? the pump is running and creating pressure, fronts are bled perfect but no fluid appearing at the rear with ign running..
thanks
^this is the problem i have as the abs block sat on a bench for a long time, any one know how to fix it? the pump is running and creating pressure, fronts are bled perfect but no fluid appearing at the rear with ign running..
thanks
11-12-2011, 10:56 PM
#21
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From what I remember you have to crack one of the return pipes to the master cylinder as there is some fluid back and forth issues that cause this
When the abs kicks in the fluid pressure will be sent back to the main pump but if there is no fluid in the system it will just be letting air in so you need to expel the air first
You could try to prime the thing with fluid first but that's a tricky ask so perhaps you'll need to find the lines and crack them all one by one until the fluid. Ones out?
When the abs kicks in the fluid pressure will be sent back to the main pump but if there is no fluid in the system it will just be letting air in so you need to expel the air first
You could try to prime the thing with fluid first but that's a tricky ask so perhaps you'll need to find the lines and crack them all one by one until the fluid. Ones out?
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