BTW, when you remove the caliper from the hose, plug the hose with a rubber stopper from Home Depot. This prevents the master cylinder from draining dry. Alternatively, you can also use a saran wrap with rubber bands around the reservoir opening. Or if you have a pedal depressor, remove the brake lamp fuse (or battery cable) and depress the pedal half way. Just some methods of preventing fluid from draining dry while you work.
Everbilt 1/2 in. x 5/16 in. Black Rubber Stopper 808188 - The Home Depot
Rubber stoppers have a tapered shape to fit various sized openings and provide a secure, watertight seal. The solid, synthetic rubber construction can be cut to an exact length and is very elastic. Commonly
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