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| brake problem, pedal loses pressure | |
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| Tweet Topic Started: May 1 2014, 06:07 PM (954 Views) | |
| rangers | May 1 2014, 06:07 PM Post #1 |
Newbie
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hi looking for some help with my daily 50c11 van .got a problem with the brakes .all pads are fine changed the brake servo. still no luck .brakes stop u .but peddle looses presure when pressed .can any one help please |
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| MAKES | May 10 2014, 09:41 AM Post #2 |
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maybe air in the pipes I would try bleeding them first |
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| aidan | May 10 2014, 12:23 PM Post #3 |
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Déjà vu Please respond to advice given on your previous thread Edited by aidan, May 10 2014, 01:03 PM.
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| petecl | May 10 2014, 12:43 PM Post #4 |
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Hi. Air in the pipes will make the pedal "spongy" as the air is compressed, It will not make the pedal go down if you hold a constant pressure on the pedal. There are only two things that will allow the pedal to creep down under constant pressure, 1 A fluid leak somewhere, which would show up as a leak or as the brake fluid level going down over time, 2 A faulty Brake Master Cylinder that is allowing fluid past the internal seals but not leaking externally. the only other possible cause is the rear brake load sensing valve is slowly letting the fluid through to the back brakes, this is not necessarily a fault just something that happens. Pete |
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| mucky-16 | Jun 30 2014, 03:55 PM Post #5 |
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Newbie
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Hi did you cure your brake problem ? ,im having a similar problem my pedal also goes to the floor but doesnt do it every time ,when it does do it if you press the pedal again its fine as though the discs are warped and pushing the pistons back, i have fitted a second hand master cyl and servo that i have but this made no difference ,any one else got any ideas please ,, |
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