Fuel Delivery and Air Induction: Service Precautions
FUEL SYSTEM
General Precaution
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.
- Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in safe area.
CAUTION:
- Use gasoline required by the regulations for octane number. Precaution for Fuel (Unleaded Regular Gasoline Recommended).
- Before removing fuel line parts, perform the following procedures:
- Release fuel pressure from the fuel lines. (HR16DE), Testing and Inspection (MR18DE).
- 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.
- Perform work on level surface.
- Do not tighten hose clamps excessively to avoid damaging hoses.
- After connecting fuel tube quick connectors, make sure quick connectors are secure.
Ensure that 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 by turning ignition switch ON (without starting the engine). Then check for fuel leaks at the fuel tube connections.
- Start 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, (HR16DE), Evaporative Emission System (MR18DE).
- For servicing "On Board Refueling Vapor Recovery (ORVR)" parts, Testing and Inspection.