Bench Bleed A Master Cylinder
It s almost impossible to completely prime the master cylinder in the car and any trace of air left in it will produce unusual and unexpected problems with your braking system.
Bench bleed a master cylinder. Last step is pumping the actuating rod until all the air is out of the master cylinder. You ll need steadiness to bleed the master cylinder. Clamp the master cylinder securely in a vise.
Two methods on how to properly bench bleed a master cylinder. Bench bleeding the master cylinder before it s installed in the car is an important step in ensuring you have good brakes on your beetle. While the brake pedal is down detach the hoses from the brakes to the master cylinder and let the brake fluid drain into a container.
If you don t have one or don t have a bench at all you can buy a clamp on vise that can be removed when you re done. A bench mounted vise is a great tool for the job. How to bench bleed a master cylinder in a chevy silverado.
It s a great way to get air out of the cylinder itself and begin your brake bleeding process quickly and easily. What is bench bleeding a master cylinder you might ask and why should i do it. To bleed a master cylinder start by lifting up the car with a jack so you can work underneath it.
Just don t use the dining room table. Remove the old master cylinder before you bench bleed the new one. Typically done on the work bench hence the name this will remove the air from the master cylinder which then speeds up and makes bleeding the rest of the system much easier.
After successfully rebuilding a master cylinder or when fitting a new one it is a good idea to bench bleed the mc before installing it in the car. Brent ackley shows you how to bench bleed a master cylinder by using bleeding ports attaching little hoses and adding brake fluid. It sits prominently on the driver s side of the engine compartment to the right of the engine.
It s a process done before starting the process of bleeding the brakes on the rest of the vehicle. This will fill the mc with fresh air free fluid and in effect prime it for integration with your car s hydraulic brake system making your on the car brake bleeding a little easier. Next have a helper slowly pump the brake pedal several times before keeping it held down.
