General Precautions

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 CO ₂ fire extinguisher in the workshop.

CAUTION:

Before removing the fuel line parts, use the following procedures:
- Put 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 .
- 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 when installing.
Do not over tighten the hose clamps to avoid damaging 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 SYSTEM DIAGRAM [QG18DE (ULEV)] , SYSTEM DIAGRAM [QG18DE (ULEV)] , SYSTEM DIAGRAM (QR25DE) .
For inspection and installation of ORVR system parts, refer to SYSTEM DIAGRAM [QG18DE (ULEV)] , SYSTEM DIAGRAM [QG18DE (ULEV)] , SYSTEM DIAGRAM (QR25DE) .