Lincoln F7AZ-2140-BA Cylinder Assy - Master

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If the bore is seriously pitted or corroded, it is recommended to replace it with a new or professionally rebuilt unit or consult an automotive machine shop.

To efficiently bleed the system, bench bleed the master cylinder by filling the reservoirs with brake fluid and using threaded plugs in the outlet holes to force air from the cylinder. Stroke the piston assemblies several times for each outlet, ensuring all air is expelled. Refill the reservoirs, install the diaphragm and cap assembly, and proceed with the master cylinder installation in reverse order, followed by brake bleeding.

To efficiently bleed the system, bench bleed the master cylinder by filling the reservoirs with brake fluid and using threaded plugs in the outlet holes to force air from the cylinder. Stroke the piston assemblies several times for each outlet, ensuring all air is expelled. Refill the reservoirs, install the diaphragm and cap assembly, and proceed with the master cylinder installation in reverse order, followed by brake bleeding.