2004 NISSAN TERRANO engine

REMOVAL
1. Remove the following parts.
IDrain engine coolant. Refer to MA section, ªChanging Engine
Coolantº.
I Remove engine cover. Refer to the figure at left.
I Remove intercooler.
I Remove air hose (on throttle body side).
I Remove injection tube.
I Remove or relocate wires/harnesses and tubes/pipes.
2. Remove intake manifold in the reverse order of that shown in the figure.
Inspection
Clean surface of intake manifold.
Use a reliable straightedge and feeler gauge to check the flatness
of intake manifold surface. Intake manifold surface flatness:Limit 0.2 mm (0.008 in)
INSTALLATION
1. Tighten intake manifold in the numerical order shown in thefigure.
:25-28N ×m (2.5 - 2.9 kg-m, 18 - 20 ft-lb)
2. Install in the reverse order of removal.
SEM293G
SEM294G
INTAKE MANIFOLDZD
Removal and Installation (Cont'd)
EM-13
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Removal and Installation
REMOVAL
1. Remove the following parts.
IUndercover
I Under guard
I Engine coolant (drain)
Refer to MA section, ªChanging Engine Coolantº.
I Exhaust front tube
Refer to FE section, ªRemoval and Installationº, ªEXHAUST
SYSTEMº.
I Remove wires, harnesses, tubes and pipes.
YEM057
SEM296G
CATALYST AND TURBOCHARGERZD
EM-14
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Trouble diagnosis of turbocharger
Preliminary check:
Check that the VNT control valve system has no malfunction. Refer
to EC section, ªECM Terminals and Reference Valueº in ªTROUBLE
DIAGNOSIS Ð GENERAL DESCRIPTIONº.
ICheck that the engine oil level is between MIN and MAX of the
dipstick. (When the engine oil amount is more than MAX, the
oil flows into the inlet duct through the blow-by gas passage,
and the turbocharger is misjudged failure.)
I Ask the customer if he/she always runs the vehicle in idle
engine speed to cool the oil down after driving.
I Replace the turbocharger assembly when any malfunction is
found after unit inspections specified in the table below.
I If no malfunction is found after the unit inspections, judge that
the turbocharger body has no failure. Check the other parts
again.
Inspection item Inspection resultSymptom (when each inspection item
meets each inspection result)
Oil leak- age Smoke Noise Insuffi-
cient
power/ accel-
eration failure
Turbine wheel Oil leaks.
g
gg
Carbon is accumulated. g
qq
Friction with housing. gq
q
Blades are bent or broken.
Compressor wheel Inside the air inlet is seriously contami-
nated by oil.
qq
Friction with housing. gqq
Blades are bent or broken.
After checking both turbine and compressor,
inspect rotor shaft end play. There is resistance when the rotor shaft
is rotated by your fingertips.
ggq
The rotor shaft sometimes does not
rotate by your fingertips.
There is too much play in the bearing. g gqg
Oil return port Carbon or sludge is accumulated in the
waste oil hole.g
gg
Operation of VNT control actuator I
The actuator does not operate
smoothly when vacuum pressure is
gradually applied.
I Stroke amount is not in compliance
with the vacuum pressure. q
: Large possibility
q: Medium possibility
g: Small possibility
INSTALLATION
1. Install catalyst.
:29-39N ×m (2.9 - 3.3 kg-m, 21 - 23 ft-lb)
Place the protruding area of the gasket between the turbocharger
and the exhaust outlet upwards, and install the lipped side to the
turbocharger side. Refer to the figure, EM-14.
2. Install in the reverse order of removal.
CATALYST AND TURBOCHARGERZD
Inspection (Cont'd)
EM-17
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Removal and Installation
REMOVAL
1. Remove the following parts.
IEngine cover
I Intercooler
I Air inlet pipe
I Throttle body
I Wires, harnesses, tubes and pipes
2. Loosen holding bolts in the reverse order of that shown in the figure and remove.
3. Remove rocker cover to the direction of glow plug tilt.
4. Remove glow plug oil seals.
SEM315G
SEM316G
ROCKER COVERZD
EM-20
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INSTALLATION
1. Temporarily tighten holding bolts in the numerical order shownin the figure.
2. Apply Three Bond 1207C (KP510 00150) to the area shown in the figure.
3. Use a scraper to remove old liquid gasket.
4. Apply once more.
5. Apply engine oil to glow plug oil seals and install them.
6. Tighten holding bolts in the numerical order shown in the figure.
7. Re-tighten to the same torque in the same order as above.
8. Install in the reverse order of removal.
SEM317G
FEM001
SEM316G
ROCKER COVERZD
Removal and Installation (Cont'd)
EM-21
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Removal and Installation
REMOVAL
1. Drain engine oil.
2. Remove the following parts.
IUnder guard
I Crossmember, differential member, front final drive assembly
I Engine gusset
3. Loosen and remove oil pan installation bolts in reverse order of numbers in the figure.
4. Use a seal cutter (special service tool) to cut away liquid gas- ket and remove oil pan.
5. Remove oil strainer.
YEM064
JEM773G
OIL PAN & OIL STRAINERZD
EM-22
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Removal and Installation
REMOVAL
1. Remove the following parts.
IRadiator under side
I Radiator shroud
I Cooling fan
I Chain cover front side
I A/T cooler hose (Disconnect)
I Vacuum hose
I Intercooler cover (When removing vacuum tank)
2. Remove the installation bolts and pull the vacuum pump from the engine front directly.
3. If it is difficult to remove from the spline shaft connection, tap lightly with a plastic hammer.
SEM320G
SEM321G
VACUUM PUMPZD
EM-24
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INSPECTION
1. Remove the vacuum hose. Connect the vacuum gauge throughthe 3-way connector. Otherwise, remove the welch valve of the
vacuum pipe and attach the vacuum gauge directly. (The illus-
tration shows the second method.)
I Remove an appropriate part to measure the vacuum pump load
pressure directly and install the vacuum gauge. Refer to the
figure.
2. Start the engine, and measure the load pressure with the engine idling.Vacuum pressure: Standardþ93.3 to þ101.3 kPa (þ933 to þ1,013 mbar, þ700
to þ760 mmHg, þ27.56 to þ29.92 inHg)
3. If outside the standard value, make sure that there is no intake of air within the circuit and measure again.
4. Replace the vacuum pump if still outside the standard value.
INSTALLATION
I Install in the reverse order of removal.
SEM322G
VACUUM PUMPZD
Removal and Installation (Cont'd)
EM-25
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