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Air unlike brake fluid can be compressed. When there is air in the brake system it compresses when you apply the brakes. This causes a loss of brake pressure on the brake pads and results in much longer stopping distances. This is dangerous and will cause an accident.

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Q: Why is it dangerous to allow air bubbles into the brake fluid?
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Related questions

Is a little water in brake fluid dangerous?

Yes.


What substitute can be use for brake fluid?

There is no substitute available that can be used for brake fluid. Using anything other than brake fluid could be dangerous and would likely cause damage.


Can the ether in brake fluid be dangerous if inhaled?

yes very


Why brake fluid should be changed?

the average boiling point of the brake fluid has dropped to a potentially dangerous level because of moisture contamination and may not meet minimum federal requirements for brake fluid.


Is brake fluid dangerous when swallowed?

it doesnt matter why would you drink it?


Why you need to change the brake fluid of the vehicle?

the average boiling point of the brake fluid has dropped to a potentially dangerous level because of moisture contamination and may not meet minimum federal requirements for brake fluid.


How do you turn off the red light brake on the dashboard on Toyota 1996 Camry?

The red brake light indicates that the parking brake is on or that the brake fluid is low. Be sure to add the specified brake fluid if you add fluid. Also make sure that you don't allow any dirt to get into the brake fluid and don't overfill the brake fluid either.


What is brake system bleeding?

Brake system bleeding is working on hydraulic brake systems. This is when the brake line has air bubbles in the line. You open the bleed screw on the caliper and pump fluid through the lines until all of th bubbles are gone from the system, an air bubble will steal pressure from the brake system and prevent good operation.


How do you change brake fluid in a car?

Brake fluid has to be 'bled' out through the valves on your calipers one at a time it is important to have either a vacuum pump for this job or an assistant to manually pump the brakes to force out the old fluid. Using new clean fluid to keep the brake resevoir 'topped' up during the process will prevent air bubbles from being allowed into the system.


What causes your brake peddle to go to the floor with out stopping?

A leak in your brake line, or very low brake fluid, both of which are extremely dangerous and should be fixed at once.


Why does your car have to have brake fluid?

A car has to have brake fluid to allow for the effective operation of the brakes to stop the car. When we apply pressure to the brake pedal, brake fluid, which is largely incompressible, will transfer that pressure to the pistons that operate the in the calipers or the pistons that operate the brake shoes. Further, the fluid must be of the correct type for the system in which it is used. The continued safe operation of the brakes may be compromised by the wrong fluid.


How do you find a hole in a brake line when no fluid is coming out. it does not have a slave cylinder and the master cylinder was just replaced.?

If there is no fluid coming from the brake line, there are two possibilities: 1. there is no damage in the brake line, merely air in the brake line. 2. The brake fluid may already be completely depleted. To find out, get some water with a bunch of dish soap in it, but try not to make a lot of suds. Pour the water over the whole brake line and watch the line while someone pumps the brake pedal. If bubbles form, then there's the hole. No bubbles? Air in the line or perhaps damage in the master or slave cylinder.