Mercury 5L8Z-7A543-AB Master Cylinder Assembly

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Disconnect the clutch master cylinder pushrod from the pedal and unscrew the bracket nut. Clamp pliers onto the clutch fluid feed hose and disconnect the reservoir hose. Using a wrench, disconnect the hydraulic line fitting at the cylinder. Cap the line ends to prevent leakage. Remove the mounting nut and detach the cylinder. Place the master cylinder on the firewall and install the mounting nut. Connect the hydraulic line fitting to the cylinder and tighten it. Attach the fluid feed hose and tighten the clamp. Remove the pliers. Connect the pushrod to the pedal. Fill the reservoir with brake fluid and bleed the clutch system. For 2005 and later models, disconnect the clutch hose from the brake master cylinder, plug the hose and port, remove the mounting nuts, detach the pushrod, disconnect the fluid line, and remove the cylinder. Plug the openings. Installation is the reverse of removal. Fill the reservoir and bleed the system.

Working under the dashboard, disconnect the clutch master cylinder pushrod from the pedal.