How Do You Test The Brake Master Cylinder?
Testing your brake master cylinder is a good step towards diagnosing potential braking problems in your automobile. The brake master cylinder serves to create pressure in the hydraulic fluid that powers the brake system; and when it is not working properly, the necessary pressure is not being made. This reduced brake function is very dangerous and should be assessed and repaired as quickly as possible in order to avoid a possible accident. Open the hood of your car and locate the brake fluid reservoir. It will be towards the back of the engine bay and will be a plastic cylinder filled with hydraulic fluid. If you have a manual transmission car, there will be two of these; the brake fluid reservoir is the larger one. Have someone else sit inside your car and apply pressure to the brake pedal as you observe the brake fluid reservoir. If you notice fluid swirl or bubbles forming in the reservoir as they press on the brake, then your master cylinder is not functioning properly and will mos
