LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2029 (Fuel System) >> Fuel System >> General Precautions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Precautions

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: When replacing fuel line parts, be sure to observe the following:
  • Put a "CAUTION: FLAMMABLE" sign in the work area.
  • Be sure to work in a well ventilated area and have a CO2 fire extinguisher.
  • Do not smoke while working on the fuel system. Keep open flames and sparks away from the work area.
CAUTION:
  • Before removing fuel line parts, carry out the following procedures:
    • Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in safe area.
    • Release fuel pressure from the fuel lines. Refer to "FUEL PRESSURE RELEASE ".
    • Disconnect the battery ground cable.
  • Always replace O-rings and clamps with new ones.
  • Do not kink or twist tubes when they are being installed.
  • After connecting the fuel tube quick connectors, make sure the quick connectors are secure.

    Ensure that the connector and resin tube do not contact any adjacent parts.

  • After installing the tubes, run the engine and check for fuel leaks at the connections using the following steps:
    • a) Apply fuel pressure to the fuel lines by turning the ignition switch to ON (without starting the engine). Then check for fuel leaks at the fuel tube connections.
    • b) Start the engine and rev the engine, then check for fuel leaks at the fuel tube 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 servicing "Evaporative Emission System" parts, refer to "EVAPORATIVE EMISSION SYSTEM ".
  • For servicing "On Board Refueling Vapor Recovery (ORVR)" parts, refer to "ON BOARD REFUELING VAPOR RECOVERY (ORVR) ".
    Fig 1: Connecting Fuel Tube Quick Connectors
    G04888068Courtesy of NISSAN MOTOR CO., U.S.A.