spud u like
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 posted on 3/6/08 at 08:37 PM |
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my brakes
hello i am still having problems with my brakes thay are still soft .
i did found that one of my front brake caliper was no good . so i have replaced it with a new one , all my brakes system is new .
i have been looking in the mags and found that i am using a gold pedal box with two master cylinders with 0.625 bore and a bias bar .what master
cylinders is everyone using ?.
my brake calipers is from a ford sierra do you think my master cylinders is up for the job . i have bleed the systems four times and there is no air
in my system.ps many thanks for all the help
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Mr G
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| posted on 3/6/08 at 08:49 PM |
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0.7 or 0.75 is what your after
EDIT: Make sure that the bias bar is correctly set up, rally design have a help page HERE
[Edited on 3/6/08 by Mr G]
Normal is getting dressed in clothes that you buy for work and driving through traffic in a
car that you are still paying for - in order to get to the job you need to pay for the clothes
and the car, and the house you leave vacant all day so you can afford to live in it.
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repper
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| posted on 3/6/08 at 08:54 PM |
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hi mate you say that the hole braking system is new dose that include the discs and pads if it dose then you may not have any problem as when you fit
new discs and pads you will find you have a soft pedel till you have got some heet in to them ie drive down the road get up to speed (30 ish ) keep
you right foot on the loud pedal and put your left foot on the brake just enough to slow you not stop you and drive with the hand brake on abit to
get the rears warm ive found this to work spot on over the rears as a spaner bender as you dont want to send cutomers out in there cars with soft
brakes as thay tend to use the car in front to stop in sted off the brakes hope this helped if your is not yet road ready then dont worry about just
make your self a not on the dash so you dont forget the first time you drive it
jim
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austin man
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| posted on 3/6/08 at 09:06 PM |
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we had a simmilar problem on an MK Indy we had to loosen the back caliper and spin it so the bleed nipple was at the top otherwise (may be the other
way round) as air get trapped in the calliper when bleeding. Took us frikkin ages to figure it out
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Adam
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| posted on 4/6/08 at 10:21 AM |
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As above.... we couldn't solve the problem of soft brakes. Discovered it was the rears that were causing the problem. Loosened the rear
calipers off and spun them round the disc and bled them with the nipple on the top then bolted them back.... problem solved. Was well chuffed we had
brakes
Cheers
Adam
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saigonij
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| posted on 4/6/08 at 01:32 PM |
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the 0.625 is the right size for the fronts. this gives good pressure to the front brakes, however does require some travel, and if the rears are
spongy, then you will not be able to apply the correct amount of pressure to the fronts because of the bias bar.
as above, unbold the caliper ( or the carrier ) and spin the caliper round to the top of the disc and bleed with it at 12o-clock. when bleeding, give
it a good shake ( might be worth taking the whole disc off with the caliper still on it ) and a tap with a light hammer to get the air out - the rear
calipers are quite complicated with lots of places for the air to get trapped.
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