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The pumping and releasing of brakes by the unit is brake pressure modulation
brake boster is bad
NO!!! Apply frim, consistant pressure.
try pumping up the brakes and see if that will give you a harder or higher pedal. sounds to me like you need to have the brakes bled properly to remove air from the system
Why are you pumping the brakes? That light means there is a problem with the brake system. Check the fluid level and if it is ok, take it to a professional. It can be many things that need to be done. Air in the system, low fluid level, etc.
No, it has to be higher.
More than likely it is the brake light switch that is attached to the brake pedal.
the water pump is gone the they have a plastic impeller they brake off and stop pumping the water around the engine
False. If you have anti-lock brakes, just press firmly on your brake pedal and the computer will take over. Do not pump the brake pedal.
You may need to have the brakeline bled (drained of brake fluid) and add new brake fluid while making sure brakeline is air free. This is usually done by pumping the brake until the pedal becomes appropriately firm . Hope this helps .
Try to brake hard on a road ! ONLY if you have NO car's behind you ! If the brakepedal starts pumping up and down you have ABS !
Most likely no brake lights would be due to a faulty switch on the brake pedal or a bad fuse.