Nissan Pathfinder (2008 year). Manual - part 359

EXHAUST MANIFOLD AND THREE WAY CATALYST

EM-35

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• Install exhaust manifold and tighten nuts in numerical order as

shown.

CAUTION:

Use new exhaust manifold nuts for installation.
NOTE:
Tighten nuts No. 1 and 2 in two steps. The numerical order No. 7
and 8 show second step.

• Before installing a new air fuel ratio sensor 1 and heated oxygen sensor 2, clean exhaust system threads

using oxygen sensor thread cleaner and apply anti-seize lubricant.

Heated Oxygen Sensor

CAUTION:

• Do not over tighten air fuel ratio sensor 1 and heated oxygen sensor 2. Doing so may cause damage

to air fuel ratio sensor 1 and heated oxygen sensor 2, resulting in the “MIL” coming on.

•

Exhaust manifold stud torque

: 14.7 N·m (1.5 kg-m, 11 ft-lb)

PBIC2881E

Tool number

:

—

 (J-43897-12) 

:     —

(J-43897-18)

EM-36

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OIL PAN AND OIL STRAINER

OIL PAN AND OIL STRAINER

Removal and Installation

INFOID:0000000001281980

REMOVAL (Lower)

WARNING:

To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1.

Drain engine oil. Refer to 

LU-9, "Changing Engine Oil"

.

2.

Remove oil pan (lower) as follows:

a.

Loosen bolts with power tool in reverse order as shown.

1.

Oil pan (upper)

2.

Oil pressure switch

3.

O-ring

4.

Relief valve

5.

O-ring

6.

Oil cooler

7.

Connector bolt

8.

Oil filter

9.

Drain plug

10. Drain plug washer

11.

Oil pan (lower)

12. Rear cover plate

13. Oil strainer

14

O-ring

15. Oil level gauge guide

16. Oil level gauge

PBIC2883E

PBIC2890E

OIL PAN AND OIL STRAINER

EM-37

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b.

Remove oil pan (lower) using Tool.

CAUTION:

• Be careful not to damage the mating surfaces.
• Do not insert screwdriver, this will damage the mating

surfaces.

NOTE:
Tap seal cutter to insert it (1) and then slide it by tapping on the
side (2) of the tool as shown. 

INSPECTION AFTER REMOVAL

Clean oil strainer if any object attached.

INSTALLATION (Lower)

1.

Install oil pan (lower) as follows:

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 using Tool to the oil
pan (lower) as shown.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-26, "Recommended Chemical Products and Sealants"

.

CAUTION:

Attaching should be done within 5 minutes after coating.

c.

Install oil pan (lower).
• Tighten bolts in numerical order as shown.

2.

Install oil pan drain plug. Refer to 

EM-36, "Removal and Installation"

.

3.

After 30 minutes fill with engine oil and inspect for leaks. Refer to 

LU-9, "Changing Engine Oil"

.

CAUTION:

Do not fill the engine with oil for at least 30 minutes after oil pan is installed.

INSPECTION AFTER INSTALLATION

Tool number

: KV10111100 (J-37228)

WBIA0566E

PBIC2888E

Tool number

: WS39930000 (

—

)

PBIC2889E

PBIC2890E

EM-38

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OIL PAN AND OIL STRAINER

1.

Check engine oil level and adjust engine oil. Refer to 

LU-8, "Inspection"

.

2.

Start engine, and check there is no leak of engine oil.

3.

Stop engine and wait for 10 minutes.

4.

Check engine oil level again. Refer to 

LU-8, "Inspection"

.

REMOVAL (Upper)

WARNING:

To avoid the danger of being scalded, do not drain engine oil when engine is hot.

CAUTION:

• Perform this procedure when engine is cold.
• Do not spill engine oil on drive belts.
• Do not spill engine coolant on drive belts.

1.

Remove engine cover with power tool. Refer to 

EM-24, "Removal and Installation"

.

2.

Remove air duct. Refer to 

EM-25, "Removal and Installation"

.

3.

Drain engine oil. Refer to 

LU-9, "Changing Engine Oil"

.

4.

Drain engine coolant. Refer to 

CO-12, "Changing Engine Coolant"

.

5.

Remove front final drive (4WD models). Refer to 

DLN-343, "Removal and Installation"

.

6.

Disconnect steering gear lower joint shaft bolt and steering gear nuts and bolts, position out of the way.
Refer to 

ST-22, "Removal and Installation"

. 

7.

Remove starter motor. Refer to 

STR-17, "Removal and Installation"

.

8.

Disconnect A/T fluid cooler tube brackets and position out of the way. Refer to 

TM-224, "2WD : Exploded

View"

 (2WD models), 

TM-228, "4WD : Exploded View"

 (4WD models).

9.

Remove oil filter, as necessary. Refer to 

LU-11, "Removal and Installation"

.

10. Remove oil cooler. Refer to 

LU-12, "Removal and Installation"

.

11. Remove oil pan (lower). Refer to 

EM-36, "Removal and Installation"

.

12. Remove oil strainer.

13. Remove transmission joint bolts which pierce oil pan (upper). Refer to 

TM-224, "2WD : Exploded View"

(2WD models), 

TM-228, "4WD : Exploded View"

 (4WD models).

14. Remove rear cover plate.

15. Loosen bolts with power tool in reverse order as shown.

• Insert Tool between oil pan (upper) and lower cylinder block.

Tap seal cutter to insert it (1) and then slide it by tapping on the
side (2) as shown.

CAUTION:

Be careful not to damage mating surfaces.

PBIC2887E

Tool number

: KV10111100 (J-37228)

WBIA0566E

OIL PAN AND OIL STRAINER

EM-39

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16. Remove O-rings from bottom of lower cylinder block and oil

pump.

INSPECTION AFTER REMOVAL

Clean oil strainer if any object attached.

INSTALLATION (Upper)

1.

Install oil pan (upper) as follows:

a.

Use scraper to remove old liquid gasket from mating surfaces.
• Also remove the old liquid gasket from mating surface of lower

cylinder block.

• Remove old liquid gasket from the bolt holes and threads.

CAUTION:

Do not scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

b.

Install new O-rings on the bottom of lower cylinder block and oil
pump.

c.

Apply a continuous bead of liquid gasket using Tool to the lower
cylinder block mating surfaces of oil pan (upper) as shown.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-26, "Recommended Chemical Products and Sealants"

.

CAUTION:

• For bolt holes with   mark, apply liquid gasket outside

the hole.

• Apply a bead of 4.5 to 5.5 mm (0.177 to 0.217 in) in diame-

ter to area “A”.

• Attaching should be done within 5 minutes after coating.

d.

Install oil pan (upper).

CAUTION:

Install avoiding misalignment of both oil pan gaskets and O-rings.

PBIC2885E

PBIC2884E

PBIC2885E

Tool number

: WS39930000 (

—

)

PBIC2886E

EM-40

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OIL PAN AND OIL STRAINER

• Tighten bolts in numerical order as shown.
• There are two types of bolts. 

e.

Tighten transmission joint bolts. Refer to 

TM-224, "2WD : Exploded View"

 (2WD models), 

TM-228, "4WD

: Exploded View"

 (4WD models).

2.

Install oil strainer to oil pan (upper).

3.

Installation of the remaining components is in the reverse order of removal.

INSPECTION AFTER INSTALLATION

1.

Check engine oil level and adjust engine oil. Refer to 

LU-8, "Inspection"

.

2.

Start engine, and check there is no leak of engine oil.

3.

Stop engine and wait for 10 minutes.

4.

Check engine oil level again. Refer to 

LU-8, "Inspection"

.

M8 

×

 100 mm (3.97 in)

: 7, 11, 12, 13

M8 

×

 25 mm (0.98 in)

: Except the above

PBIC2887E

IGNITION COIL

EM-41

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IGNITION COIL

Removal and Installation

INFOID:0000000001281981

REMOVAL (LH)

1.

Remove engine cover with power tool. Refer to 

EM-24, "Removal and Installation"

.

2.

Remove air cleaner case and air duct. Refer to 

EM-25, "Removal and Installation"

.

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 shock it.

INSTALLATION (LH)

Installation is in the reverse order of removal.

REMOVAL (RH)

1.

Remove intake manifold collector with power tool. Refer to 

EM-26, "Removal and Installation"

.

2.

Move aside harness, harness bracket, and hoses located above ignition coil.

3.

Disconnect harness connector from ignition coil.

4.

Remove ignition coil.

CAUTION:

Do not shock it.

INSTALLATION (RH)

Installation is in the reverse order of removal.

1.

Ignition coil

2.

Spark plug

PBIC2901E

EM-42

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ROCKER COVER

ROCKER COVER

Removal and Installation

INFOID:0000000001281984

REMOVAL (LH)

1.

Remove engine cover. Refer to 

EM-24, "Removal and Installation"

.

2.

Separate engine harness removing their brackets from rocker covers.

3.

Remove harness bracket from cylinder head, if necessary. 

4.

Remove ignition coil. Refer to 

EM-41, "Removal and Installation"

.

5.

Remove PCV hoses from rocker covers.

6.

Remove oil filler cap from rocker cover (LH), if necessary.

1.

Oil filler cap

2.

PCV hose

3.

PCV valve

4.

O-ring

5.

Rocker cover (RH)

6.

PCV hose

7.

Rocker cover gasket (RH)

8.

Rocker cover gasket (LH)

9.

Rocker cover (LH)

10. PCV hose

PBIC2905E