Nissan Tiida C11. Manual - part 671

EM-36

< ON-VEHICLE REPAIR >

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FUEL INJECTOR AND FUEL TUBE

3.

Disconnect quick connector with the following procedure. Dis-
connect fuel feed hose from fuel tube.

NOTE:
There is no fuel return path.

a.

Remove quick connector cap (1) from quick connector connec-
tion.

b.

Disconnect fuel feed hose from hose clamp.

c.

With the sleeve side of quick connector release (SST) facing quick connector, install quick connector
release onto fuel tube.

d.

Insert quick connector release into quick connector until sleeve
contacts and goes no further. Hold quick connector release on
that position.

CAUTION:

Inserting quick connector release hard will not disconnect
quick connector. Hold quick connector release where it
contacts and goes no further.

e.

Draw and pull out quick connector straight from fuel tube.

CAUTION:

• Pull quick connector holding “A” position.
• Never pull with lateral force applied. O-ring inside quick

connector may be damaged.

• Prepare container and cloth beforehand as fuel will leak out.
• Avoid fire and sparks.
• Keep parts away from heat source. Especially, be careful when welding is performed around

them.

• Never expose parts to battery electrolyte or other acids.
• Never bend or twist connection between quick connector and fuel feed hose during installation/

removal.

• To keep clean the connecting portion and to avoid dam-

age and foreign materials, cover them completely with
plastic bags or something similar.

4.

Disconnect harness connector from fuel injector.

1 : Quick connector cap

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FUEL INJECTOR AND FUEL TUBE

EM-37

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5.

Remove fuel tube protector.
• Loosen bolts in the reverse of the order shown.

6.

Remove the fuel injector and fuel tube assembly.
• Loosen bolts in the reverse of the order shown.

CAUTION:

• When removing, be careful to avoid any interference with

fuel injector.

• Use a shop cloth to absorb any fuel leaks from fuel tube.

7.

Remove the fuel injector (3) from the fuel tube (1) with the fol-
lowing procedure.

a.

Open and remove the clip (2).

b.

Remove fuel injector from the fuel tube by pulling straight.

CAUTION:

• Be careful about fuel leakage remaining in fuel tube.
• Be careful not to damage the nozzle of fuel injector.
• Never subject fuel injector to impact by dropping or hit-

ting.

• Never disassemble.

INSTALLATION

1.

Install new the O-ring to the fuel injector, paying attention to the following.

CAUTION:

• The upper and lower O-rings are different. Be careful not to confuse them.

• Handle O-ring with bare hands. (Never wear gloves.)
• Lubricate O-ring with engine oil.
• Never clean O-ring with solvent.
• Make sure that the O-ring and its mating part are free of foreign material.
• Be careful not to scratch O-ring with tool or fingernails when installing it. Also be careful not to

twist or stretch O-ring. If O-ring is stretched while installing, never insert it into fuel tube immedi-
ately.

• Insert O-ring straight into fuel tube. Never decenter or twist it.

: Engine front

PBIC3665E

: Engine front

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PBIC3667E

Fuel tube side

: Black

Nozzle side

: Green

EM-38

< ON-VEHICLE REPAIR >

[HR16DE]

FUEL INJECTOR AND FUEL TUBE

2.

Install the fuel injector (4) onto the fuel tube (1) with the following
procedure:

a.

Insert the clips (2) into the clip mounting grooves on the fuel
injector.
• Insert clip cut-out (D) into fuel injector protrusion (F).

CAUTION:

• Always replace clip with new one.
• Make sure that the clip does not interfere with the O-

ring. If interference occurs, replace the O-ring.

b.

Insert the fuel injector into the fuel tube with clip attached.
• Make sure that the axis is lined up when inserting.
• Insert clip cut-out (C) into fuel tube protrusion (B).
• Make sure that the flange (A) on the fuel tube fits securely in

the clip flange fixing groove (E).

c.

Make sure that installation is complete by checking that fuel
injector does not rotate or come off.

3.

Install fuel tube and injector assembly onto cylinder head.
• Tighten bolts in the numerical order shown.

CAUTION:

Be careful not to let tip of injector nozzle interfere with
other parts.

4.

Install fuel tube protector.
• Tighten bolts in the numerical order shown.

5.

Connect harness connector to fuel injector.

6.

Connect fuel feed hose with the following procedure.

a.

Check for damage or foreign material on the fuel tube and quick connector.

b.

Apply new engine oil lightly to area around the top of fuel tube.

3 : O-ring (Black)

5 : O-ring (Green)

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: Engine front

PBIC3666E

: Engine front

PBIC3665E

FUEL INJECTOR AND FUEL TUBE

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c.

Align center to insert quick connector straightly into fuel tube.
• Insert quick connector to fuel tube until the top spool on fuel

tube is inserted completely and the 2nd level spool is posi-
tioned slightly below quick connector bottom end.

CAUTION:

• Hold “A” position shown when inserting fuel tube into

quick connector.

• Carefully align center to avoid inclined insertion to pre-

vent damage to O-ring inside quick connector.

• Insert until you hear a “click” sound and actually feel

the engagement.

• To avoid misidentification of engagement with a similar

sound, be sure to perform the next step.

d.

Before clamping fuel feed hose with hose clamp, pull quick connector hard by hand holding “A” position.
Make sure it is completely engaged (connected) so that it does not come out from fuel tube.

e.

Install quick connector cap (1) to quick connector connection.
• Install quick connector cap with the side arrow facing quick

connector side (fuel feed hose side).

CAUTION:

• Make sure that the quick connector and fuel tube are

securely engaged with the quick connector cap mount-
ing groove.

• Quick connector may not be connected correctly if

quick connector cap cannot be installed easily. Remove
the quick connector cap, and then check the connection
of quick connector again.

f.

Install fuel feed hose to hose clamp.

7.

Installation is in the reverse order of removal, for the remaining parts. 

Inspection

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INSPECTION AFTER INSTALLATION

Check on Fuel Leakage

1.

Turn ignition switch “ON” (with the engine stopped). With fuel pressure applied to fuel piping, make sure
there are no fuel leaks at connection points.
NOTE:
Use mirrors for checking at points out of clear sight.

2.

Start the engine. With engine speed increased, make sure again that there are no fuel leaks at connection
points.

CAUTION:

Never touch the engine immediately after stopped, as the engine becomes extremely hot.

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