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BRAKES

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2016 – MX-5 – Brakes

BRAKES

Features

  • A DSC HU/CM has been adopted in which the hydraulic unit (HU) and control module (CM) are integrated with a built-in brake fluid pressure sensor.

  • Magnetic encoder type ABS sensor rotors have been adopted.

  • Semiconductor element type ABS wheel-speed sensors have been adopted.

  • The following systems, mechanisms, and functions have been adopted to enhance safety.

    • Intrusion-minimizing brake pedal

    • Antilock brake system (ABS)

    • Electronic brakeforce distribution (EBD) control

    • Traction control system (TCS)

    • Dynamic stability control (DSC)

    • Electronic control brake assist

    • Vehicle roll prevention function

    • Hill launch assist (HLA)

  • A electric vacuum pump has been adopted to compensate for the decrease in intake manifold vacuum applied to the power brake unit caused by the retard intake valve closing.

  • Center lever type parking brake, adjustable from vehicle interior, has been adopted.

Specifications

Item

Specification

Brake pedal

Type

Suspended design

Pedal lever ratio

2.65

Maximum stroke (reference value)

(mm )

113.8 {4.480} or more

Master cylinder

Type

Tandem (plunger type)

Cylinder bore

(mm )

20.64 {0.8126}

Front brake (disc)

Type

Ventilated disc

Cylinder bore

(mm )

Single piston caliper: 51.1 {2.01}

4-pot opposed piston caliper: 34 {1.3}

Pad dimensions (area x thickness)

Single piston caliper: 4,000 × 9 {6,200 × 0.4}

4-pot opposed piston caliper: 6,000 × 8.5 {9,300 × 0.33}

(mm2 x mm {in2 x in})

Disc plate dimensions

(mm )

280 × 22 {11.0 × 0.87}

Rear brake (disc)

Type

Solid disc

Cylinder bore

(mm )

38.18 {1.503}

Pad dimensions (area x thickness)

3,150 × 8 {4.883 × 0.3}

(mm2 x mm {in2 x in})

Disc plate dimensions

(mm )

280 × 9.5 {11.0 × 0.37}

Power brake unit

Type

Vacuum multiplier, single diaphragm

Rear wheel braking force control device

Type

Electronic Brakeforce Distribution (EBD)

Brake piping

Piping layout

X pattern

Parking brake

Type

Mechanical design, rear two-wheel braking

Operating method (application/release)

Manually operated lever design

Play adjustment method

Auto-adjusting

Brake fluid

Type

SAE J1703 or FMVSS116 DOT-3

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© 2014 Mazda North American Operations, U.S.A.