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General Precaution

WARNING: When replacing fuel line parts, be sure to observe the following.
  • Put a "CAUTION: FLAMMABLE" sign in the workshop.
  • Be sure to work in a well ventilated area and furnish workshop with a CO2 fire extinguisher.
  • Do not smoke while servicing 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 "WORK PROCEDURE " (VQ40DE), "WORK PROCEDURE " (VK56DE).
    • Disconnect the battery negative terminal.
  • Always replace O-rings and clamps with new ones.
  • Do not kink or twist hoses 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 tubes, make sure there is no fuel leakage at connections in the following steps.
    • Apply fuel pressure to fuel lines with turning ignition switch ON (with engine stopped). Then check for fuel leaks at connections.
    • Start the engine and rev it up and check for fuel leaks at 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 "COMPONENT INSPECTION ".
  • For checking "On Board Refueling Vapor Recovery (ORVR)" parts, refer to "INSPECTION " (VQ40DE), "INSPECTION " (VK56DE).
Fig 1: Disconnecting Quick Connector
G04900832Courtesy of NISSAN NORTH AMERICA, INC.