Nissan Versa Note. Instruction — part 381
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FUEL INJECTOR AND FUEL TUBE
FUEL INJECTOR AND FUEL TUBE
Exploded View
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CAUTION:
Do not remove or disassemble parts unless instructed.
Removal and Installation
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WARNING:
• Put a “CAUTION: FLAMMABLE” sign in the workshop.
• Be sure to work in a well-ventilated area and furnish workshop with a CO
2
fire extinguisher.
• Do not smoke while servicing fuel system. Keep open flames and sparks away from the work area.
REMOVAL
1. Release the fuel pressure. Refer to
.
2. Remove intake manifold. Refer to
EM-28, "Removal and Installation"
1.
Stud bolt
2.
O-ring (green)
3.
Fuel injector (front)
4.
Clip
5.
Fuel injector (rear)
6.
O-ring (black)
7.
Fuel tube protector
8.
Fuel tube
9.
Clamp
10. Quick connector cap (engine side)
11. Fuel feed hose
12. Quick connector cap (floor piping-side)
13. Fuel connector protector
14. Fuel pipe
A.
To centralized under-floor piping
Front
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3. Disconnect fuel feed hose from fuel tube. Disconnect quick con-
nector:
NOTE:
There is no fuel return path.
a. Remove quick connector cap (engine side) (1) from quick con-
nector connection.
b. Disconnect fuel feed hose from hose clamp.
c. With the sleeve (B) side of quick connector release (A) facing
quick connector (2), install quick connector release (A) onto fuel
tube (1) as shown.
d. Insert quick connector release (A) into quick connector (2) until
sleeve (B) contacts and goes no further. Hold quick connector
release (A) in that position (D).
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 (E) straight up from fuel tube
(1).
CAUTION:
• Pull quick connector up (E) from holding position (C) as shown.
• Do not pull with lateral force applied. O-ring inside quick connector may be damaged.
• Prepare container and cloth beforehand as fuel will leak out.
• Discard O-ring, do not reuse.
• Avoid fire and sparks.
• Keep parts away from heat source. Be especially careful when welding is performed.
• Do not expose parts to battery electrolyte or other acids.
• Do not bend or twist connection between quick connector and fuel feed tube during installation
or removal.
• Be sure to cover openings of disconnected fuel feed hose
(A) and fuel tube (C) with plug or plastic bag (B) to avoid
fuel leaks and entry of foreign material.
4. Disconnect fuel feed hose from fuel pipe as follows:
(1)
: Quick connector cap (engine side)
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EM-42
< REMOVAL AND INSTALLATION >
[HR16DE]
FUEL INJECTOR AND FUEL TUBE
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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• 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 connectors from fuel injectors.
6. Disconnect harness connectors from intake and exhaust valve timing control solenoid valves.
7. Remove fuel tube protector.
• Loosen bolts in reverse order as shown.
8. 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.
9. 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. Install O-rings on the fuel injector.
CAUTION:
• Upper and lower O-rings are different. Be careful not to interchange them.
(A) :Fuel feed hose
(C) :Fuel tube
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: Engine front
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: Engine front
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