NISSAN TEANA 2003 Service Manual

EXHAUST MANIFOLD AND THREE WAY CATALYST
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Exhaust Manifold

If stud bolts were removed, install them and tighten to the specified torque below.

Tighten mounting nuts in numerical order as shown in the figure.
Three Way Catalyst Supports
1. Temporarily tighten three way catalyst support mounting bolts.
2. Tighten three way catalyst support mounting bolts to specified
torque in numerical order as shown in the figure.
Heated Oxygen Sensor

Install heated oxygen sensors in the original position.

Install referring the following if the installation positions cannot
be identified.
*: Heated oxygen sensor 2 are same parts both bank 1 and
bank 2.
CAUTION:

Before installing new heated oxygen sensor, clean exhaust
system threads using heated oxygen sensor thread cleaner (commercial service tool) and apply
anti-seize lubricant (commercial service tool). : 15.4 N·m (1.6 kg-m, 11 ft-lb)
PBIC2464E
PBIC2463E
Glass tube color
Heated oxygen sensor 1 (bank 1) : Green
Heated oxygen sensor 1 (bank 2) : Black
Heated oxygen sensor 2* : White
PBIC2652E

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EXHAUST MANIFOLD AND THREE WAY CATALYST


Do not over torque heated oxygen sensor. Doing so may cause damage to heated oxygen sensor,
resulting in “MIL” coming on.

OIL PAN AND OIL STRAINER
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OIL PAN AND OIL STRAINERP F P : 1111 0
Removal and InstallationBBS004VU

Refer to GI-10, "Components" for symbol marks in the figure.
REMOVAL
WARNING:
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
NOTE:
When removing oil pan (lower) or oil strainer only, take step 1 then step 10 and 11.
1. Drain engine oil. Refer to LU-21, "
Changing Engine Oil" .
CAUTION:

Perform this step when engine is cold.

Do not spill engine oil on drive belts.
2. Drain engine coolant. Refer to CO-34, "
Changing Engine Coolant" .
1. Oil pan (upper) 2. O-ring 3. Oil pan gasket (front)
4. Oil pressure switch 5.Plug (VQ23DE)
Relief valve (VQ35DE)6. O-ring
7. Oil cooler 8. Connector bolt 9. Oil filter
10. Oil strainer 11. Drain plug 12. Drain plug washer
13. Oil pan (lower) 14. Rear plate cover 15. Harness bracket
16. Crankshaft position sensor (POS) 17. Seal rubber 18. Oil pan gasket (rear)
A. Refer to LU-22
B. To oil pump C. Oil pan side
D. VQ23DE E. VQ35DE
PBIC4533J

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OIL PAN AND OIL STRAINER

CAUTION:

Perform this step when engine is cold.

Do not spill engine coolant on drive belts.
3. Remove the following:

Engine cover; Refer to EM-133, "INTAKE MANIFOLD COLLECTOR" .

Splash guard (RH)

Exhaust front tube; Refer to EX-2, "EXHAUST SYSTEM" .

Drive belts; Refer to EM-128, "DRIVE BELTS" .
4. Remove A/C compressor with piping connected, and temporarily secure it to aside. Refer to ATC-133,
"Components" .
5. Remove three way catalysts (right and left banks) from exhaust manifolds (right and left banks). Refer to
EM-140, "
EXHAUST MANIFOLD AND THREE WAY CATALYST" .
6. Remove oil pressure switch. Refer to LU-20, "
OIL PRESSURE CHECK" .
7. Remove crankshaft position sensor (POS).
CAUTION:

Handle carefully to avoid dropping and shocks.

Do not disassemble.

Do not allow metal powder to adhere to magnetic part at sensor tip.

Do not place sensor in a location where it is exposed to magnetism.
8. Remove oil filter. Refer to LU-22, "
OIL FILTER" .
9. Remove oil cooler and water pipes (VQ35DE). Refer to LU-23, "
OIL COOLER (VQ35DE)" .
10. Remove oil pan (lower) as follows:
a. Loosen mounting bolts in the reverse order as shown in the fig-
ure.
b. Insert seal cutter (SST) between oil pan (lower) and oil pan
(upper).
CAUTION:

Be careful not to damage the mating surfaces.

Do not insert screwdriver, this will damage the mating
surfaces.
c. Slide seal cutter by tapping on the side of the tool with hammer.
Remove oil pan (lower).
PBIC0782E
SEM365ED

OIL PAN AND OIL STRAINER
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11. Remove oil strainer.
12. Remove oil pan (upper) as follows:
a. Remove transaxle joint bolts which pierce oil pan (upper).
b. Loosen mounting bolts in the reverse order as shown in the fig-
ure.
c. Insert suitable tool into the notch of oil pan (upper) as shown (1).
Pry off oil pan (upper) by moving tool up and down as shown (2)
to remove oil pan (upper).
PBIC1766E
SEM949G
PBIC1636E
SEM155F

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OIL PAN AND OIL STRAINER

13. Remove O-rings from the bottom of cylinder block and oil pump.
14. Remove oil pan gasket.
INSPECTION AFTER REMOVAL
Oil Strainer
Clean oil strainer if any object attached.
INSTALLATION
1. Install oil pan (upper) as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.

Also remove old liquid gasket from mating surface of cylinder
block.

Remove oil liquid gasket from bolt holes and threads.
CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.
b. Install oil pan gaskets.

Apply liquid gasket to new oil pan gaskets as shown in the fig-
ure.
Use Genuine Liquid Gasket or equivalent.
PBIC1144E
PBIC1145E
MEM108A
PBIC2630E

OIL PAN AND OIL STRAINER
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To install, align protrusion of oil pan gasket with notches of
front timing chain case and rear oil seal retainer.

Install oil pan gasket with smaller arc to front timing chain
case side.
c. Install new O-rings on the bottom of cylinder block and oil pump.
d. Apply a continuous bead of liquid gasket with tube presser [SST:
WS39930000] to cylinder block mating surface of oil pan (upper)
to a limited portion as shown in the figure.
Use Genuine Liquid Gasket or equivalent.
CAUTION:

For bolt holes with marks (5 locations), apply liquid
gasket outside the holes.

Apply a bead of 4.5 to 5.5 mm (0.177 to 0.217 in) diameter
to area “A”.

Attaching should be done within 5 minutes after coating.
e. Install oil pan (upper).
CAUTION:
Install avoiding misalignment of both oil pan gasket and O-rings.

Tighten bolts in numerical order as shown in the figure.

There are two types of mounting bolt. Refer to the following
for locating bolts.
f. Install transaxle joint bolts.
2. Install oil strainer to oil pump.
3. Install oil pan (lower) as follows:
PBIC1145E
PBIC1144E
PBIC2300E
M8 × 100 mm (3.97 in) : 5, 7, 8, 11
M8 × 25 mm (0.98 in) : Except the above
PBIC1636E

EM-150
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OIL PAN AND OIL STRAINER

a. Use scraper to remove old liquid gasket from mating surfaces.

Also remove old liquid gasket from mating surface of oil pan
(upper).

Remove old liquid gasket from the bolt holes and thread.
CAUTION:
Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.
b. Apply a continuous bead of liquid gasket with tube presser [SST:
WS39930000] to oil pan (lower) as shown in the figure.
Use Genuine Liquid Gasket or equivalent.
CAUTION:
Attaching should be done within 5 minutes after coating.
c. Install oil pan (lower).

Tighten mounting bolts in numerical order as shown in the fig-
ure.
4. Install oil pan drain plug.

Refer to the figure of components of former page for installation direction of drain plug washer. Refer to
EM-145, "
Removal and Installation" .
5. Install in the reverse order of removal after this step.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and adjust engine oil. Refer to LU-19, "ENGINE OIL" .
2. Start engine, and make sure there is no leak of engine oil.
SEM958F
PBIC2647E
PBIC0782E

OIL PAN AND OIL STRAINER
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3. Stop engine and wait for 10 minutes.
4. Check the engine oil level again. Refer to LU-19, "
ENGINE OIL" .

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IGNITION COIL

IGNITION COILPFP:22448
Removal and InstallationBBS004VV
REMOVAL
1. Remove engine cover. Refer to EM-133, "INTAKE MANIFOLD COLLECTOR" .
2. Remove intake manifold collectors (upper and lower). (At the right bank side, remove ignition coil) Refer to
EM-133, "
INTAKE MANIFOLD COLLECTOR" .
3. Move aside harness, harness bracket, and hoses located above ignition coil.
4. Disconnect harness connector from ignition coil.
5. Remove ignition coil.
CAUTION:
Do not drop or shock it.
INSTALLATION
Installation is the reverse order of removal.
1. Ignition coil 2. Spark plug 3. Rocker cover
A. Left bank
PBIC4359E