Mazda 2006 MX-5 Service Highlights page 230

INTRUSION-MINIMIZING BRAKE PEDAL FUNCTION
• An intrusion-minimizing brake pedal, which minimizes the amount of rearward pedal thrust in a frontal collision,
has been adopted. Due to this, impact force to the lower body of the driver is softened.
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INTRUSION-MINIMIZING BRAKE PEDAL OPERATION
• In a frontal collision, the brake pedal is forced rearward by the movement of the engine and other parts.
• Brackets A and B break away from bracket C, which is fixed to the body.
• Bracket B is freed allowing it and the pedal arm to rotate together at pivot fulcrum D of bracket A, thereby
preventing the rearward movement of the brake pedal.
BRACKET C
FULCRUM D
BRACKET A
NORMAL CONDITION
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MASTER CYLINDER CONSTRUCTION
• A plunger-type master cylinder with a 22.2 mm
{0.87 in} bore has been adopted, improving
durability.
Note
• Plunger type: A system where the cups are
fixed on the cylinder, and the piston slides
through the inner perimeter of the cups.
• For vehicles with DSC, the master cylinder outlet
pipe diameter has been increased, improving
response during DSC operation.
• Except for the reservoir, the master cylinder
cannot be disassembled. Therefore, if there is any
malfunction in the interior of the master cylinder, replace the cylinder component without disassembling.
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04–11–2
CONVENTIONAL BRAKE SYSTEM
BRACKET B
PEDAL ARM
E5U041143300N01
E5U041143300N02
DURING COLLISION
E5U411ZS5002
E5U041143400N01
E5U411ZS5003