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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
General Specifications
General Specifications
| Engine | QR25DE | |||
| Automatic transaxle model | RE4F04B | |||
| Automatic transaxle assembly | Model code number | 85X63 | ||
| Transaxle gear ratio | 1st | 2.785 | ||
| 2nd | 1.545 | |||
| 3rd | 1.000 | |||
| 4th | 0.694 | |||
| Reverse | 2.272 | |||
| Final drive | 4.087 | |||
| Recommended fluid | Nissan Matic "D" (Continental U.S. and Alaska) or Canada Nissan Automatic Transmission Fluid(1) | |||
| Fluid capacity l (US qt, Imp qt) | 8.5 (9, 7.5) | |||
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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.
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