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 Infiniti FX50FACTORY OEM SERVICE PROCEDURE

General Specification

Transmission model code number

X414E

Stall torque ratio

1.93: 1

Transmission gear ratio

1st

4.887

2nd

3.170

3rd

2.027

4th

1.412

5th

1.000

6th

0.864

7th

0.775

Reverse

4.041

Recommended fluid

Genuine NISSAN Matic S ATF⁽¹⁾

Fluid capacity

11.3 liter (12 US qt, 10 Imp qt)⁽²⁾

CAUTION:

Use only Genuine NISSAN Matic S ATF. Never mix with other ATF.
Using ATF other than Genuine NISSAN Matic S ATF will cause deterioration driveability and A/T durability, and may damage the A/T, which is not covered by the INFINITI new vehicle limited warranty.

⁽¹⁾	Refer to "FOR NORTH AMERICA: FLUIDS AND LUBRICANTS ".

⁽²⁾	The fluid capacity is the reference value.

Factory Service Tools

Use the Manual With the Right Hardware

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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.