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.
2012 Mazda 3 L4-2.5LFACTORY OEM SERVICE PROCEDURE
G66M-R
TRANSAXLE OIL REPLACEMENT [G66M-R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2. Aerodynamic Under Cover No. 2 Removal/Installation
3. Remove the drain plug and washer.
4. Drain the oil into a suitable container.
5. Install a new washer and the drain plug.
Tightening torque
- 39-59 Nm {4.0-6.0 kgf-m, 29-43 ft-lbf}
6. Remove the oil level plug and washer.
7. Add the specified amount and type of oil through the oil level plug hole until the level reaches the bottom of the oil level plug hole. Manual transaxle oil
8. Install a new washer and the oil level plug.
Tightening torque
- 39-59 Nm {4.0-6.0 kgf-m, 29-43 ft-lbf}
9. Install the aerodynamic under cover No.2. Aerodynamic Under Cover No. 2 Removal/Installation
Factory Service Tools
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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.