2016 – MX-5 – Brakes

MASTER CYLINDER

Purpose/Function

• With the adoption of the plunger-type master cylinder having an enlarged diameter (20.64 mm {0.8126 in}), master cylinder durability has been improved.

  NOTE:

  • Plunger type: A system where the cups are fixed on the cylinder, and the piston slides through the inner perimeter of the cups.

• The diameter of the pipe between the master cylinder and the DSC HU/CM has been increased, improving response during DSC operation.

Construction

• Except for the cap, the master cylinder cannot be disassembled. Therefore, if there is any malfunction in the interior of the master cylinder, replace the master cylinder without disassembling.

  

Operation

• When the brake pedal is depressed, the push rod of the power brake unit presses in the master cylinder piston. By pressing in the piston, pressure is applied to the brake fluid to operate the brakes.

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