asuming the brakes are fine. what we have is servo assistance all cars have brake servo's these unit's aid the driver to operate the brakes because with out servo assistance you could not stop the car on your own. how ever if you must check your brakes turn the car off now pump the brake pedal after 3 or 4 maybe 5 pumps of the pedal it should become solid if it not then get them looked at. but lets say they are now with the pedal feeling solid hold the pedal down as hard as you can now start the car now as you start the car the pedal should go down pretty much all the way down this is the servo kicking in which is great but if the pedal does not go down the servo needs looking at. and this goes for all cars .
Very serious. Without fluid, the brakes will not work.
You will have no brake assist, so the pedal will be very hard. You will also have no pressure at the rear brakes. Only the fronts will work without the pressure pump.
Pneumatic schematic in the air brakes in any type or build of truck all work in coordination with each other for smooth driving. The brakes would not be able to smoothly stop without them.
This grossly unsafe. If you have just the booster fail the brakes will still work but not well. If the brakes fail completely you could crash and die.
at a guess the brakes have still got air in the system and need bleeding properly
You do not have to plug anything. You will have normal brakes even if the ABS does not work.
bleed the brakes. check fluid level
Yes, your normal brakes will still work, but the ABS may not function.
Vacume problem or problem with booster/insufficient fluid, leak check those things.
it helps you stop better and if they get loser they will still work to a certain extent
Nope... unless you modify them so they will fit and still work right