Nissan Quest E52. Instruction — part 676

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-28, "Fuel"

• 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-141, "Work Procedure"

- 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 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

EC-58, "Diagnosis

Description"

Precautions for Removing Battery Terminal

INFOID:0000000009962128

• When removing the 12V battery terminal, turn OFF the ignition

switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption may
occur.

• For vehicles with the 2-batteries, be sure to connect the main bat-

tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be
detected.

• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.

NOTE:
The removal of 12V battery may cause a DTC detection error.

SEF289H

PREPARATION

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< PREPARATION >

PREPARATION

Special Service Tool

INFOID:0000000009653254

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tool

INFOID:0000000009653255

Tool number
(Kent-Moore No.)
Tool name

Description

KV10119901
( — )
Fuel tank lock ring wrench

Removing and installing fuel tank retainer

—
( J-45747 )
Fuel tank lock ring wrench

Removing and installing fuel tank retainer

JPBIA3555ZZ

JSBIA1952ZZ

Tool name

Description

Power tool

Loosening nuts and bolts

PBIC0190E

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< PERIODIC MAINTENANCE >

FUEL SYSTEM

PERIODIC MAINTENANCE

FUEL SYSTEM

Inspection

INFOID:0000000009653256

Inspect fuel lines, fuel filler cap, and fuel tank for improper attach-
ment, leakage, cracks, damage, loose connections, chafing or dete-
rioration.

If necessary, repair or replace damaged parts.

Quick Connector

INFOID:0000000009653257

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 equivalent)

: Connection (cross-section)

: Resin tube

: To under floor fuel line

: To fuel tank

: Tab

: Disconnection

JPBIA0130ZZ

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Nissan Quest E52. Instruction — part 676

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