Mazda RX-8 2004 Service Highlights page 215

BRAKE FEATURES
Improved safety
Improved braking force
Improved serviceability
Improved operability
Size and weight reduction
Improved durability
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BRAKE SPECIFICATIONS
Item
Type
Brake pedal Pedal lever ratio
Max. stroke
Type
Master
cylinder
Cylinder bore
Type
Cylinder bore
Pad dimensions (area x thickness)
Front brake
(disc)
Disc plate dimensions
(outer diameter x thickness)
Type
Cylinder bore
Pad dimensions (area x thickness)
Rear brake
(disc)
Disc plate dimensions
(outer diameter x thickness)
Type
Power brake
unit
Outer diameter
Rear wheel
braking force Type
control device
Type
Parking brake
Operation system
Brake fluid Type
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04–00–2
OUTLINE
• Intrusion minimizing brake pedal adopted
• Electronic brakeforce distribution (EBD) control adopted
• ABS adopted
• Dynamic stability control (DSC) adopted
• Large diameter front disc brakes adopted
• Large diameter rear disc brakes adopted
• Large diameter power brake unit adopted
• Combined sensor integrating the yaw rate and lateral-G sensors adopted
• Steering angle sensor that uses controller area network (CAN) adopted
• Enhanced malfunction diagnosis system for use with WDS or equivalent
• Center lever type parking brake, adjustable from vehicle interior, adopted
• Integrated construction of the hydraulic unit (HU) and control module (CM) adopted for the
ABS HU/CM and DSC HU/CM
• Integrated construction of the front wheel hub component and front ABS wheel-speed sensor
adopted
• Plunger type master cylinder adopted
(mm {in})
(mm {in})
(mm {in})
2 2
(mm x mm {in x in})
(mm {in})
(mm {in})
2 2
(mm x mm {in x in})
(mm {in})
(mm {in})
Specification
Suspended design
2.8
140 {5.51}
Tandem (plunger type)
22.22 {0.875}
Ventilated disc
54.0 {2.13}
4,840 x 11 {7.744 x 0.43}
Standard suspension: 303 x 24 {11.9 x 0.94}
Sport suspension: 323 x 24 {12.7 x 0.94}
Ventilated disc
42.85 {1.687}
3,330 x 9 {5.328 x 0.4}
302 x 18 {11.9 x 0.71}
Vacuum multiplier
Single diaphragm
274 {10.8}
EBD (Electronic brakeforce distribution)
Mechanical two-rear-wheel control
Center lever type
SAE J1703, FMVSS 116 DOT3
CHU040001021S01
CHU040001021S02