Nissan Juke Service and Repair Manual : Disconnecting Fuel Piping

Before starting work, check no fire or spark producing items are in the work area.

Release fuel pressure before disconnecting and disassembly.

After disconnecting pipes, plug openings to stop fuel leakage.

    Draining Engine Coolant
    Drain engine coolant and engine oil when the engine is cooled. ...

    Precaution for Handling High Pressure Fuel System
    High pressure fuel system components are between high pressure fuel pump and fuel injector. Always release fuel pressure and never start the engine when performing removal and installation. ...

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