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.
2002 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE
General Precautions
WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
When replacing the fuel line parts, observe the following:
- Place a "CAUTION: FLAMMABLE" sign in the workshop.
- Do not smoke while servicing the fuel system. Keep open flames and sparks away from the work area.
- Have a CO2 fire extinguisher in the workshop.
CAUTION:
- Before removing the fuel line parts, use the following procedures:
- Store the drained fuel in an explosion-proof container and put the lid on securely.
- Release the fuel pressure from the fuel system. Refer to FUEL PRESSURE RELEASE (QG18DE) or FUEL PRESSURE RELEASE (QR25DE) ..
- Disconnect the battery ground cable.
- Always replace the O-ring seals with new ones.
- Do not kink or twist any of the hoses and tubes during removal and installation.
- Do not over tighten the hose clamps to avoid damaging the hoses.
- After installation, run the engine and check for fuel leaks at the connections.
- Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may come on.
- For inspection and installation of EVAP system parts, refer to EVAPORATIVE EMISSION SYSTEM (QG1818DE) or EVAPORATIVE EMISSION SYSTEM (QR25DE) .
- For inspection and installation of ORVR system parts, refer to ON BOARD REFUELING VAPOR RECOVERY (ORVR) (QG18DE) or ON BOARD REFUELING VAPOR RECOVERY (ORVR) (QR25DE) .
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.