Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20103 L4-2.5LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSBRAKES AND TRACTION CONTROLBRAKE ROTOR/DISC
2010 Mazda 3 L4-2.5L
Brake Rotor/Disc
2010 Mazda 3 L4-2.5LSECTION Brake Rotor/Disc
Front disc brake
Front disc plate runout limit 0.05 mm {0.002 in}
Minimum front disc plate thickness 23 mm {0.91 in}
Minimum front disc plate thickness after machining using a brake lathe on-vehicle 23.8 mm {0.937 in}
Rear disc brake
Rear disc plate runout limit 0.05 mm {0.002 in}
Minimum rear disc plate thickness 9 mm {0.35 in}
Minimum rear disc plate thickness after machining using a brake lathe on-vehicle 9.8 mm {0.39 in}
Front disc plate runout limit 0.05 mm {0.002 in}
Minimum front disc plate thickness 23 mm {0.91 in}
Minimum front disc plate thickness after machining using a brake lathe on-vehicle 23.8 mm {0.937 in}
Rear disc brake
Rear disc plate runout limit 0.05 mm {0.002 in}
Minimum rear disc plate thickness 9 mm {0.35 in}
Minimum rear disc plate thickness after machining using a brake lathe on-vehicle 9.8 mm {0.39 in}
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.