Nissan Murano. Instruction — part 615
EM-34
< REMOVAL AND INSTALLATION >
INTAKE MANIFOLD COLLECTOR
Removal and Installation
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REMOVAL
WARNING:
To avoid the danger of being scalded, never drain engine coolant when the engine is hot.
1.
Remove engine cover. Refer to
CAUTION:
Be careful not to damage or scratch engine cover.
2.
Remove air cleaner cases (upper and lower) with mass air flow sensor and air duct assembly. Refer to
3.
Drain engine coolant, or when water hoses are disconnected, attach plug to prevent engine coolant leak-
age. Refer to
CAUTION:
Perform this step when the engine is cold.
4.
Remove front wiper arm and extension cowl top. Refer to
5.
Disconnect water hoses from electric throttle control actuator.
• When engine coolant is not drained from radiator, attach plug to water hoses to prevent engine coolant
leakage.
6.
Remove electric throttle control actuator as follows:
a.
Disconnect harness connector.
b.
Loosen mounting bolts in the reverse order as shown in the fig-
ure.
CAUTION:
• Handle carefully to avoid any shock to electric throttle
control actuator.
• Never disassemble.
7.
Remove the following parts:
• Vacuum hose
• PCV hose
• High pressure piping from intake manifold: Refer to
.
• Electronic controlled engine mount control solenoid valve
8.
Disconnect EVAP hoses and harness connector from EVAP canister purge volume control solenoid valve.
9.
Remove EVAP canister purge volume control solenoid valve and bracket assembly.
10. Remove VIAS control solenoid valve mounting bolts and vacuum gallery mounting bolts, and then move
vacuum gallery.
• Add mating marks if necessary for easier installation.
11. Loosen mounting nuts and bolts in the reverse order as shown
in the figure, and remove intake manifold collector and gasket.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
JPBIA1631ZZ
: Engine front
JPBIA1628ZZ
INTAKE MANIFOLD COLLECTOR
EM-35
< REMOVAL AND INSTALLATION >
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INSTALLATION
Note the following, and install in the reverse order of removal.
Intake Manifold Collector
Tighten mounting nuts and bolts in numerical order as shown in the
figure.
Electric Throttle Control Actuator
• Tighten mounting bolts in numerical order as shown in the figure.
• Perform the “Throttle Valve Closed Position Learning” when har-
ness connector of electric throttle control actuator is disconnected.
Refer to
EC-19, "THROTTLE VALVE CLOSED POSITION
.
• Perform the “Idle Air Volume Learning” and “Throttle Valve Closed
Position Learning” when electric throttle control actuator is
replaced. Refer to
EC-20, "IDLE AIR VOLUME LEARNING :
and
EC-19, "THROTTLE VALVE CLOSED POSITION
.
: Engine front
JPBIA1628ZZ
JPBIA1631ZZ
EM-36
< REMOVAL AND INSTALLATION >
INTAKE MANIFOLD
INTAKE MANIFOLD
Exploded View
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Removal and Installation
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REMOVAL
1.
Release fuel pressure. Refer to
.
2.
Remove intake manifold collector. Refer to
3.
Remove fuel tube and fuel injector assembly. Refer to
.
4.
Loosen mounting nuts and bolts in the reverse order as shown
in the figure to remove intake manifold with power tool.
5.
Remove gaskets.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSTALLATION
Note the following, and install in the reverse order or removal.
Intake Manifold
• If stud bolts were removed, install them and tighten to the specified torque below.
1.
Intake manifold
2.
Gasket
A.
Comply with the assembly procedure
when tightning. Refer to
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPBIA1629GB
: Engine front
JPBIA1630ZZ
INTAKE MANIFOLD
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< REMOVAL AND INSTALLATION >
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• Tighten all mounting nuts and bolts to the specified torque in two or
more steps in numerical order shown in the figure.
Inspection
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INSPECTION AFTER REMOVAL
Surface Distortion
• Check the surface distortion of the intake manifold mating surface
with a straightedge (A) and a feeler gauge (B).
• If it exceeds the limit, replace intake manifold.
: 10.8 N·m (1.1 kg-m, 8 ft-lb)
: Engine front
1st step
: 7.4 N·m (0.75 kg-m, 5 ft-lb)
2nd step and after
: 25.5 N·m (2.6 kg-m, 19 ft-lb)
JPBIA1630ZZ
Limit
: Refer to
JPBIA0015ZZ
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