M35x AWD V6-3.5L (VQ35DE) (2007)
Fuel Line Coupler: Service Precautions
CAUTION:
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Use gasoline required by the regulations for octane number. Refer to "Precautions for Fuel (Unleaded Premium Gasoline Required)
(VK45DE Engine Models)".
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Before removing fuel line parts, perform out the following procedures:
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Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in safe area.
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Release fuel pressure from the fuel lines. Refer to "FUEL PRESSURE RELEASE" (VQ35DE) or "FUEL PRESSURE RELEASE"
(VK45DE).
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Disconnect the battery cable from the negative terminal.
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Always replace O-ring and clamps with new ones.
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Do not kink or twist tubes when they are being installed.
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Do not tighten hose clamps excessively to avoid damaging hoses.
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After connecting fuel tube quick connectors, make sure quick connectors are secure.
Ensure that connector and resin tube do not contact any adjacent parts.
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After installing tubes, make sure there is no fuel leakage at connections in the following steps.
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Apply fuel pressure to fuel lines with turning ignition switch "ON" (with engine stopped). Then check for fuel leaks at connections.
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Start engine and rev it up and check for fuel leaks at connections.
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Use only a genuine NISSAN fuel filler cap as a replacement.
If an incorrect fuel filler cap is used, the "MIL" may come on.
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For servicing "Evaporative Emission System" parts, refer to "EVAPORATIVE EMISSION SYSTEM" (VQ35DE) or "EVAPORATIVE
EMISSION SYSTEM" (VK45DE).
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For servicing"On Board Refueling Vapor Recovery (ORVR)" parts, refer to EC-46, "ON BOARD REFUELING VAPOR RECOVERY
(ORVR)" (VQ35DE) or EC-748, "ON BOARD REFUELING VAPOR RECOVERY (ORVR)" (VK45DE). See: Emission Control
Systems/Evaporative Emissions System/Testing and Inspection/Component Tests and General Diagnostics/On Board Refueling Vapor Recovery
(ORVR) System Testing