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.
2021 Mazda CX-3 AWDFACTORY OEM SERVICE PROCEDURE
Clutch (C66M-R)
CLUTCH SPECIFICATION
| Item | Specifications |
|---|---|
| Clutch fluid | SAE J1703 or FMVSS116 DOT-3 |
| Clutch pedal height (reference value) | 135 mm {5.31 in} |
| Clutch pedal free play (reference value) | 8.2 mm {0.32 in} or less |
| Clutch pedal full stroke (reference value) | 140 mm {5.51 in} |
| Distance A, from clutch disengagement point to floor covering (reference value) | 28 mm {1.1 in} or more |
| Clutch cover diaphragm spring fingers maximum depth | 0.6 mm {0.02 in} |
| Maximum clearance of flatness of the pressure plate | 0.3 mm {0.01 in} |
| Clutch cover diaphragm spring fingers maximum height difference | 1.0 mm {0.039 in} |
| Minimum clutch disc thickness | 0.3 mm {0.01 in} |
| Maximum clutch disc runout | 0.7 mm {0.03 in} |
| Flywheel maximum runout | 0.1 mm {0.004 in} |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.