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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.

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9y ago
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9y ago

Air brakes do not use brake fluid. Air brakes use compressed air.

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8y ago

Straight up air brakes do not - air over hydraulic brakes do.

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Q: Do air brakes use brake fluid?
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Related questions

Does 2006 kia rio use brake fluid?

yes you idiot every brake system use's brake fluid except air brakes and since air brakes are mostly only on big trucks you don't have them.... honestly if you need to ask if your car use's brake fluid you really shouldn't be doing anything to a car to even ask the question... take a shop class, please it would help you a lot.....


What are the uses of brake fluid on a lorry?

Those typically don't use brake fluid - they normally use air brakes. Can't really speak for the UK, but in the US, trucks with a Gross Vehicle Weight Rating of 26,000 lbs. or less tend to use hydraulic brakes, while vehicles heavier than that use air brakes. However, many of these vehicles with either manual or automated manual transmissions do use a hydraulic assist clutch, and brake fluid is what's used in those.


Is the brake fluid level supposed to drop when the brakes are in use?

No but, the brake fluid level will drop as brake pads/linings wear.


Do you need to put brake fluid in both brake fluid reservoirs in Honda?

Yes, one reservoir is for brakes the other for the clutch. They both use brake fluid though.


What is The air brake system on tractor trailer?

It's a dual circuit air brake system. Most use S-cam foundation brakes, although some use disc brakes or piston brakes.


What kind of brake fluid do you use on a 2002 Tahoe?

A 2002 Chevy Tahoe uses the standard brake fluid in passenger vehicles with power brakes. It is known as DOT3 brake fluid.


Why do brakes use brake fluid insted of brake gas?

A few reasons. Fluid has a much higher density, and makes it easier to apply more force to the brakes. Fluid is much easier to contain and refill. No special equipment is necessary to fill a brake fluid reservoir.


How do hydrauli brakes work in a car?

hydraulic brakes work on hydraulic fluid the system is filled with fluid, all air is bled out of the system so only fluid remains thru valves and other components the fluid is displaced when when the breake pedal is pressed on each wheel at the brakes are some moving parts ,on drum brakes these are brake shoes and cylanders on disk brakes these are brake pads and calipers when the fluid is displaced thru use of the pedal these parts are pushed out by the fluid that ahas no where else forcing the pads or shoes against the brake disk or drum when pedal is released the fluid goes back to reservoir releasing pressure on parts at wheel which releases brakes


What is Brake fluid use by date?

Brake fluid is hydroscopic. It absorbs moisture out of the air. That gives unsealed brake fluid a shelf life.


Procedure to bleed disc brakes?

One way is to have a helper to pump the brakes. Fill with fluid and pump brakes until the pedal is hard. Use a wrench and loosen the bleeder on one caliper. Any air will come out and the pedal will sink to the floor. Repeat the procedure until all air is removed and nothing but fluid comes out. Repeat procedure on every other brake assembly being sure that brake mastercylinder is kept full of brake fluid. If you let it run out, you will have to repeat the whole procedure.


What type of Brake fluid do hydraulic brakes use?

hydraulic brake fluid, in the USA any brake fluid that matches DOT 3 standards


How often should you change brake fuild?

brake fluid changes and brake inspections should be done atleast every two years, mainly the brake fluid has a tendancy to soak up moisture in the air and then this accumulated water tends to boil in the lines and calipers and brake cylinders during use, causing air pockets and a degradtion of braking, and can cause a complete loss of brakes at times.