Nissan Altima L32. Instruction — part 653
EM-148
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FUEL INJECTOR AND FUEL TUBE
8. Loosen bolts in reverse order as shown, and remove fuel tube
and fuel injector assembly.
CAUTION:
Never tilt fuel tube, or remaining fuel in pipes may flow out
from pipes.
9. Remove fuel injector from fuel tube as follows:
a. Open and remove clip (1).
b. Remove fuel injector (2) from fuel tube (5) by pulling straight.
CAUTION:
• Be careful with remaining fuel that may go out from fuel
tube.
• Be careful not to damage injector nozzle during removal.
• Never bump or drop fuel injector.
• Never disassemble fuel injector.
10. Remove fuel damper from fuel tube.
INSTALLATION
1. Install fuel damper as follows:
a. Install new O-ring (2) to fuel tube (1) as shown. When handling
new O-ring, be careful of the following caution:
CAUTION:
• Handle O-ring with bare hands. Never wear gloves.
• Lubricate O-ring with new engine oil.
• Never 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 with
tool or fingernails. Also be careful not to twist or stretch
O-ring. If O-ring was stretched while it was being
attached, never insert it quickly into fuel tube.
• Insert new O-ring straight into fuel tube. Never twist it.
b. Install spacer (3) to fuel damper (4).
c.
Insert fuel damper straight into fuel tube.
CAUTION:
• Insert straight, checking that the axis is lined up.
• Never pressure-fit with excessive force.
• Insert fuel damper until (B) is touching (A) of fuel tube.
d. Tighten bolts evenly in turn.
• After tightening bolts, check that there is no gap between fuel
damper cap (5) and fuel tube.
2. Install new O-rings to fuel injector paying attention to the following.
CAUTION:
• Upper and lower O-ring are different. Be careful not to confuse them.
: Engine front
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3
: O-ring (green)
4
: O-ring (black)
A
: Installed condition
B
: Clip groove
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Reference value
: 130 N (13.3 kg, 29.2 lb)
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FUEL INJECTOR AND FUEL TUBE
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• Handle O-ring with bare hands. Never wear gloves.
• Lubricate O-ring with new engine oil.
• Never 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 with tool or fingernails. Also be careful not to
twist or stretch O-ring. If O-ring was stretched while it was being attached, never insert it quickly
into fuel tube.
• Insert O-ring straight into fuel injector. Never decenter or twist it.
3. Install fuel injector to fuel tube as follows:
a. Insert clip (3) into clip groove (F) on fuel injector (5).
• Insert clip so that protrusion (E) of fuel injector matches cutout
(C) of clip.
CAUTION:
• Never reuse clip. Replace it with new one.
• Be careful to keep clip from interfering with O-ring. If
interference occurs, replace O-ring.
b. Insert fuel injector into fuel tube (1) with clip attached.
• Insert it while matching it to the axial center.
• Insert fuel injector so that protrusion (A) of fuel tube matches
cutout (B) of clip.
• Check that fuel tube flange (G) is securely fixed in flange fixing
groove (D) on clip.
c. Check that installation is complete by checking that fuel injector
does not rotate or come off.
• Check that protrusions of fuel injectors and fuel tubes are
aligned with cutouts of clips after installation.
4. Install fuel tube and fuel injector assembly to intake manifold.
CAUTION:
Be careful not to let tip of injector nozzle come in contact with other parts.
• Tighten bolts in two steps in numerical order as shown in the
figure.
5. Connect fuel injector harness.
6. Install intake manifold collector. Refer to
EM-130, "Removal and Installation"
7. Connect quick connector between fuel feed hose and fuel tube connection with the following procedure:
a. Check no foreign substances are deposited in and around fuel tube and quick connector, and no damage
on them.
b. Thinly apply new engine oil around fuel tube from tip end to spool end.
c. Align center to insert quick connector straightly into fuel tube.
Fuel tube side
: Black
Nozzle side
: Green
2
: O-ring (black)
4
: O-ring (green)
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: Engine front
1st step
: 10.1 N·m (1.0 kg-m, 7 ft-lb)
2nd step
: 22.0 N·m (2.2 kg-m, 16 ft-lb)
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EM-150
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FUEL INJECTOR AND FUEL TUBE
• Insert quick connector (1) to fuel tube until top spool (2) is
completely inside quick connector, and 2nd level spool (3)
exposes right below quick connector.
CAUTION:
• Hold (A) position as shown in the figure 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. Pull quick connector by hand holding position. Check it is completely engaged (connected) so that it does
not come out from fuel tube.
e. Install quick connector cap (3) to quick connector.
• Install quick connector cap with arrow (A) on surface facing in
direction of quick connector (fuel feed hose side).
CAUTION:
If quick connector cap cannot be installed smoothly, quick
connector may have not been installed correctly. Check
connection again.
f.
Secure fuel feed hose to clamp of quick connector cap.
8. Installation is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
Make sure there is no fuel leakage at connections as follows:
1. Apply fuel pressure to fuel lines by turning ignition switch ON (with engine stopped). Then check for fuel
leaks at connections.
2. Start the engine and rev it up and check for fuel leaks at connections.
CAUTION:
Do not touch engine immediately after stopping as engine is extremely hot.
NOTE:
Use mirrors for checking on connections out of the direct line of sight.
• Perform procedures for “Throttle Valve Closed Position Learning” after finishing repairs. Refer to
1053, "THROTTLE VALVE CLOSED POSITION LEARNING : Description"
• If electric throttle control actuator is replaced, perform procedures for “Idle Air Volume Learning” after
finishing repairs. Refer to
EC-1053, "IDLE AIR VOLUME LEARNING : Description"
B
: Fitted condition
: Upright insertion
1
: Fuel feed hose
2
: Fuel tube
B
: Upper view
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ROCKER COVER
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ROCKER COVER
Exploded View
INFOID:0000000004505031
Removal and Installation LH
INFOID:0000000004505032
REMOVAL
1. Remove the engine cover, using power tool.
2. Remove front air duct.
3. Remove blow by hose from rocker cover.
4. Remove camshaft position sensor.
CAUTION:
• Handle carefully to avoid dropping and shocks.
• Do not disassemble.
• Do not allow metal powder to adhere to magnetic part at
sensor tip (A).
• Do not place sensors in a location where they are
exposed to magnetism.
5. Disconnect the ignition coil connectors.
6. Remove the ignition coils. Refer to
EM-145, "Removal and Installation LH"
.
CAUTION:
Never shock ignition coils.
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1.
Rocker cover (RH)
2.
Rocker cover gasket (RH)
3.
Rocker cover gasket (LH)
4.
Rocker cover (LH)
A. Follow installation procedure
Front
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