Infiniti G37 Coupe. Manual — part 709

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 CO

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

GI-29, "FUEL : Unleaded Pre-

mium Gasoline Recommended"

• Before removing fuel line parts, perform 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

EC-601, "Inspection"

- Disconnect the battery cable from the negative terminal.
• Always replace O-ring and clamps 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 leaks at 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, refer to

EC-83, "Component Parts Location"

• For servicing “On Board Refueling Vapor Recovery (ORVR)” parts, refer to

EC-504, "Description"

PREPARATION

FL-3

< PREPARATION >

PREPARATION

Commercial Service Tools

INFOID:0000000001547705

Tool name

Description

Power tool

Loosening nuts and bolts

PBIC0190E

FL-4

< ON-VEHICLE MAINTENANCE >

FUEL SYSTEM

ON-VEHICLE MAINTENANCE

FUEL SYSTEM

Inspection

INFOID:0000000001547703

Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks, damage, loose connections, chafing or deterio-
ration.

If necessary, repair or replace damaged parts.

Quick Connector

INFOID:0000000001547704

CAUTION:

• After connecting fuel tube quick connectors, check quick con-

nectors are secure.

• Ensure that connector and resin tube never contact any adja-

cent parts.

: Engine

: Fuel line

: Fuel tank

JPBIA0129ZZ

: Quick connector

: Retainer

: hard tube (or the equivqlent)

: Connection (cross-section)

: Resin tube

: To under floor fuel line

: To fuel tank

: Tab

: Disconnection

JPBIA0130ZZ

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Infiniti G37 Coupe. Manual — part 709

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