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That sound it the air being aloud to escape from the air system though the quick release valve. This usally happens when the driver has applied the parking brakes. But, it can happen during other times you dont want it to.
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∙ 14y ago
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Why does it sound like air is coming out of your brakes?
brake booster could be bad the seal around the rod that hooks to the brake pedal is leaking
What is a hissing sound coming from the drivers side of your Mercedes ML350?
Just know that if that is happening you are in serious trouble as it means that your brakes are leaking. In MLs the brakes use air pressure so if there is a hissing sound it means air is leaking thus your brakes could possibly fail. The best solution is to go to a registered Mercedes Benz garage so they can fix the problem. Alternatively if you dont have the money you could pretend that there is no noise and eventually you brakes will fail and you'll be in an accident i.e. GET YOU BRAKES FIXED AS SOON AS POSSIBLE
Why would air release when you press on the brakes?
Do you drive a tractor trailer (semi) with air brakes? where is the air coming from when you notice this. This person's probably talking about a car......It is atmospheric pressure entering the vacuum booster, the air rushing past the valves inside.
How do you hear the sound coming from a drum?
Through sound waves travelling as vibrations through the air.
How do you repair a metal to metal sound coming from the brakes?
Replace the pads, and the rotors. You need to change the brake pads and the rotors.
What causes a squeaking sound when driving sounds like its coming from around the left front tire area 84 Chevy impala?
You may need to check your brakes or the rollers on your brakes
A knock or clonking sound but stops when you press on the brakes?
A knocking sound while your car is moving is probably coming from the engine. A certified mechanic will be able to perform diagnostic testing.
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.
How do you adjust brake imbalanced?
We would need to know what type of brakes you have... S-cam air brakes, air disc brakes, air piston brakes, air wedge brakes, hydraulic drum brakes, hydraulic disc brakes... they're all different.
How effective are air brakes verses a standard set of brakes?
Air brakes are just as effective as a standard set of brakes. The advantages to air brakes are that you do not have to worry about leaking brake fluid.
When is uni-lag pedIgree form coming out?
since the sound requires a medium to travel through. so the air is one of the medium for sound to travel. Therefore sound can travel through air.
What could be the source of a whistle sound coming from he engine?
Most of the time, a whistle sound coming from the engine is a loose bolt on the air filter housing. It can also be that the fan belt is slipping or the air conditioning pump is not running properly.
