General Precautions
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.
- Never smoke while servicing fuel system. Keep open flames and sparks away from the work area.
CAUTION:
- Use gasoline required by the regulations for octane number. Refer to "FUEL ".
- Before removing fuel line parts, perform
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 "INSPECTION " (VQ35HR) or "INSPECTION " (VK50VE).
- Disconnect the battery cable from the negative terminal.
- Always replace O-rings with new ones.
- Never kink or twist tubes when they are being installed.
- Never tighten hose clamps excessively to avoid damaging hoses.
- After installing tubes, check 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 leakage at connections.
- Start engine and rev it up and check for fuel leakage 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 "On Board Refueling Vapor Recovery (ORVR)" parts, refer to "DESCRIPTION " (VQ35HR) or "DESCRIPTION " (VK50VE).