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What is usually wrong with my ABS system when the ABS light brake light are on and the brakes work with a hard pedal pressure?
In most cases, the brakes will function fine even if the ABS is not working (you just won't have the ABS feature). If you have to exert more pressure than normal on the brakes, you can be looking at an issue with the brake booster or some other part not necessarily associated with the ABS system. It sounds like the ABS light might be a secondary symptom of a larger problem. I would recommend taking the vehicle to a qualified shop asap.
What else can I help you with?
Why do your rear brakes on your S10 have no pressure?
Usually, a loss of pressure in your brake system means that there is a hole somewhere in the system. A leaking brake line or a punctured reservoir could cause a loss of pressure. A bad master cylinder could also cause a loss of pressure in the back brakes.
When applying pressure to brakes lightly brakes lose compression Why?
faulty master brake system
Why do you have to pump the brakes in order to build pressure?
Pumping the brakes helps build pressure in the brake system by forcing air out and allowing the brake fluid to flow smoothly, ensuring effective braking.
Why do you have to pump the brakes in order to build up pressure?
When you pump the brakes, it helps to build up pressure in the brake system. This pressure is necessary to activate the brakes and slow down or stop the vehicle effectively.
What are brake chambers?
On an air brake system, the brake chamber is what actuates the air brakes... it converts air pressure to mechanical force, either turning an S-cam (on foundation brakes), or actuating a caliper (on disc brakes).
Do air brakes use brake fluid?
No, they use air pressure or actually the lack of air pressure to stop the vehicle. The brakes are fully on until pressure builds up in the tank releasing the brakes. When you push the brake pedal this removes air from the system and applies the brakes.
A parking brake system is not required if your service brakes are fully?
A parking brake system is not required if your service brakes are fully self-locking. Air brake systems (on semis, for instance) hold the brakes open only when air is supplied. If you blow the air the brakes lock under spring pressure.
What does brake?
A brake system brakes.
When you put on the brakes by pushing down the brake pedal air pressure is applied to the brake pads?
In all cars and most trucks HYDRAULIC pressure is used to apply the brakes. In an air brake system such as is found on medium and heavy duty trucks the air is actually released to apply the brakes.
How do you use the automobile brake system?
Well the automobile brake systems starts with the pedal that is under your dash, when you apply pressure to that pedal it interns applies pressure to the brakes.
How air brake work?
Air brake equipped vehicles usually have a spring brake system which locks down the brakes when there is no air applied. Once air pressure reaches 60 psi, these will unlock, and air will remain in the hold off chamber to keep the spring brakes unlocked. When you bring a vehicle to a stop, air from the air system is metered into the service chamber to clamp the brakes down.
How do air brakes get there compressed air?
There's an air compressor mounted to the engine. That compressor charges one (or several) tanks. Air from the primary system is fed continuously to the emergency chamber of the spring brake chambers - this provides hold off pressure to release the spring brakes. When the treadle valve (brake pedal valve) is depressed, air from the primary air system (and usually the secondary air system for the front axle) is routed to the service chamber of the brake chambers, and this usually rotates and S cam to push the brake shoes out into the brake drum (although specifics at this point will differ with disc brakes and piston brakes).
