Nissan Versa Sedan. Manual — part 376

FUEL INJECTOR AND FUEL TUBE

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NOTE:

There is no fuel return path.

a. Remove quick connector cap (floor piping side) (1) from quick

connector connection.

b. Disconnect fuel feed hose from hose clamp (1).

c. Hold the quick connector (1) while pushing in tabs (F), and pull

out the hard tube (A).

CAUTION:

• Inserting quick connector release hard will not disconnect

quick connector. Hold quick connector release where it

contacts and goes no further.

• The tube can be removed when the tabs are completely

depressed. Do not twist it more than necessary.

• Do not use any tools to remove the quick connector.

• Keep the resin tube away from heat. Be especially careful

when welding near the tube.

• Prevent acid such as battery electrolyte etc. from getting

on the resin tube.

• Do not bend or twist the tube during installation and

removal.

• Remove the remaining retainer only when the tube is

replaced.

• When the tube is replaced, also replace the retainer.

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(2)

: Retainer

(B)

: Connection (cross-section)

(C)

: Resin tube

(D)

: To under floor fuel line

(E)

: To fuel tank

(G)

: Disconnection

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FUEL INJECTOR AND FUEL TUBE

• Be sure to cover openings of disconnected pipes with

plug or plastic bag (B) to avoid fuel leaks and entry of for-

eign material.

5. Disconnect harness connector from fuel injector.
6. Remove fuel tube protector.

• Loosen bolts in reverse order as shown.

7. Remove fuel injector and fuel tube assembly:

a. Loosen two nuts in reverse order as shown.
b. Pull the fuel tube straight out until injector lower O-rings are

clear.

c.

Remove the nuts and the fuel tube.

CAUTION:

• When removing, be careful to avoid interference with fuel

injectors.

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

8. Remove fuel injector from fuel tube:
a. Open and remove clip (1).
b. Remove fuel injectors (3) and (4) from fuel tube (2) by pulling

straight out.

CAUTION:

• Be careful with remaining fuel that may leak from fuel

tube.

• Be careful not to damage fuel injector nozzle during

removal.

• Do not bump or drop fuel injector.

• Do not disassemble fuel injector.

• Do not reuse O-rings.

INSTALLATION

CAUTION:

Do not reuse O-rings.
1. Note the following, and install new O-rings on the fuel injector.

CAUTION:

(A) :Fuel feed hose
(C) :Fuel tube

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FUEL INJECTOR AND FUEL TUBE

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• Upper and lower O-rings are different. Be careful not to interchange them.

• Handle O-ring with bare hands. Do not wear gloves.

• Lubricate O-ring with new engine oil.

• Do not clean O-ring with solvent.

• Check that O-ring and its mating part are free of foreign material.

• When installing O-ring, be careful not to scratch it.

• Do not twist or stretch O-ring. If O-ring was stretched while it was being attached, allow it to

retract before inserting it into fuel tube.

• Insert O-ring straight into fuel tube. Do not angle or twist it.

2. Install fuel injector (4) to fuel tube (1):
a. Insert new clip (2) into clip groove (G) on fuel injector (4).

• Insert new clip (2) so that protrusion (F) of fuel injector

matches cut-out (D) of clip.

CAUTION:

• Do not reuse clip. Replace it with a new one.

• Be careful to keep clip from interfering with O-ring. If

interference occurs, replace O-ring.

b. Insert fuel injector (4) into fuel tube (1) with clip (2) attached.

• Insert fuel injector (4) while matching it to the axial center.

• Insert fuel injector (4) so that protrusion (B) of fuel tube

matches cut-out (C) of clip (2).

• Check that fuel tube flange (A) is securely located in flange

groove (E) on clip (2).

c. Check that installation is complete by checking that fuel injector (4) does not rotate or come off.
3. Set fuel tube and fuel injector assembly in position for installation on cylinder head.

CAUTION:

For installation, be careful not to interfere with fuel injector nozzle.

• Tighten bolts in numerical order as shown.

4. Install fuel tube protector.

Fuel tube side

: Black

Nozzle side

: Green

(3)

: O-ring (black)

(5)

: O-ring (green)

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FUEL INJECTOR AND FUEL TUBE

• Tighten bolts in numerical order as shown.

5. Connect harness connector to fuel injector.
6. Connect fuel feed tube (engine side):
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.
c.

Align center to insert quick connector straight into fuel tube.

• Insert quick connector (1) to fuel tube until the top spool (C) on

fuel tube is inserted completely and the 2nd level spool (D) is

positioned slightly below quick connector bottom end.

CAUTION:

• Hold in position (A) as 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.

d. To avoid misidentification of engagement with a similar sound, pull quick connector hard by hand. Check it

is completely engaged (connected) so that it does not come out from fuel tube.

e. Install quick connector cap (engine side) (1) to quick connector

connection.

• Install quick connector cap (engine side) (1) with the side

arrow facing quick connector side (fuel feed tube side) as

shown.

CAUTION:

• Check that the quick connector and fuel tube are

securely engaged with the quick connector cap (engine

side) groove.

• If the quick connector cap (engine side) cannot be

installed easily the quick connector may not be con-

nected correctly. Remove and reconnect.

f.

Install fuel feed hose to hose clamp.

7. Connect fuel feed tube (floor piping side):
a. Check the connection for damage or any foreign materials.
b. Align the quick connector with the tube, then insert the connector straight into the centralized under floor

piping until a click is heard.

: Engine front

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(B)

: Upright insertion

(E)

: Correctly connected

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