Fresh crackerjack cylinders straight from the box cannot be installed without cardinal removing air from inside the proficient cylinder. There are various ways to achieve this on the other hand solitary one that works in most all vehicle types.
Instructions
Bench bleeding your new master cylinder
1. Follow the service manual for your year model vehicle and install the new part.
Once you remove the out of date adept cylinder, you are ready to "bench bleed" the replacement adept cylinder. Mount the fresh allotment in a vice with the brake fluid reservoir attached. Attach the bleed lines that come with the latest atom to the Issue ports on the adept cylinder.
3. Install the bleed lines so that they are positioned in a Disinfected take container that has just out, Disinfected brake fluid. Provided you are unsure of the address of the Issue ports on you crackerjack cylinder, consult the instructions that come with the new part. They contain a diagram of the master cylinder with the bleed lines positioned properly.
4. Position the catch container so that your bleed lines are below the outlet ports on the master cylinder. During these procedures, the master cylinder and reservoir remain in the vise. Now you will need to fill the reservoir with new, clean brake fluid. Be sure to fill the reservoir to the full line and maintain the full level throughout the next procedure.
5. You will need to use a wooden dowel rod that is smaller than the piston extreme of the master cylinder. Use the dowel rod to push the piston in and then release the dowel pressure on the piston. You will see air bubbles in the catch container which tell you that the air is being released. Repeat this step several times until the air bubbles stop appearing in the catch container. During this step, maintain a full level of brake fluid in the reservoir.
6. After all the air is bled from the master cylinder, remove the bleed lines and cap the outlet ports. Now replace the master cylinder reservoir cap to prevent air from getting back in the cylinder. You may now take the master cylinder out of the vise and install it in the engine compartment. Ahead, you Testament require to remove the ancient masterly cylinder from the mount in the engine compartment. Appliance the supply album for your year example to remove the exhausted proficient cylinder.2.
