Nissan Pathfinder (2010 year). Manual - part 363

 

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Nissan Pathfinder (2010 year). Manual - part 363

 

 

EM-32

< ON-VEHICLE REPAIR >

[VQ40DE]

EXHAUST MANIFOLD AND THREE WAY CATALYST

EXHAUST MANIFOLD AND THREE WAY CATALYST

Exploded View

INFOID:0000000005260449

Removal and Installation (Three Way Catalyst)

INFOID:0000000005568713

WARNING:

Perform the work when the exhaust and cooling system have cooled sufficiently.

REMOVAL 

1. Remove the front wheel and tire. Refer to 

WT-49, "Rotation"

.

2. Remove the front fender protector. Refer to

EXT-23, "Removal and Installation of Front Fender Protector"

.

3. Remove the exhaust manifold cover bolts.
4. Remove the center exhaust tube, main muffler and front exhaust tube. Refer to 

EX-6, "Exploded View"

.

5. Disconnect the air fuel ratio sensor 1 harness connector.
6. Remove the three way catalyst nuts and remove the three way catalyst.
7. Remove the air fuel ratio sensor 1 using Tool, if necessary.

1.

Cylinder head (LH)

2.

Cylinder head (RH)

3.

Exhaust manifold studs (RH)

4.

Gasket

5.

Exhaust manifold nuts (RH)

6.

Exhaust manifold (RH)

7.

Exhaust manifold cover (RH)

8.

Three way catalyst (RH)

9.

Three way catalyst studs (RH)

10. Seal ring

11. Three way catalyst nuts (RH)

12. Three way catalyst nuts (LH)

13. Seal ring

14. Three way catalyst studs (LH)

15. Three way catalyst (LH)

16. Exhaust manifold cover (LH)

17. Exhaust manifold (LH)

18. Exhaust manifold nuts (LH)

19. Gasket

20. Exhaust manifold studs (LH)

ALBIA0654GB

2010 Pathfinder

EXHAUST MANIFOLD AND THREE WAY CATALYST

EM-33

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CAUTION:

• Be careful not to damage air fuel ratio sensor 1.

• Discard any air fuel ratio sensor 1 which has been dropped from a height of more than 0.5 m

(19.7 in) onto a hard surface such as a concrete floor; replace with a new sensor. 

INSTALLATION

Installation is in the reverse order of removal.

• Tighten air fuel ratio sensor 1 to specification, if removed.

CAUTION:

• Do not over tighten air fuel ratio sensor 1. Doing so may cause damage to air fuel ratio sensor 1,

resulting in the “MIL” coming on.

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

thread cleaner and apply anti-seize lubricant.

Removal and Installation (Exhaust Manifold)

INFOID:0000000005260450

REMOVAL (LH)

WARNING:

Perform the work when the exhaust and cooling system have cooled sufficiently.

1. Remove engine room cover. Refer to 

EM-25, "Removal and Installation"

.

2. Remove air cleaner case (upper) and air duct and resonator assembly. Refer to 

EM-26, "Removal and

Installation"

.

3. Remove engine under cover. Refer to 

EXT-14, "Removal and Installation"

.

4. Partially drain engine coolant. Refer to 

CO-12, "Changing Engine Coolant"

.

5. Remove three way catalyst (LH). Refer to 

EM-32, "Removal and Installation (Three Way Catalyst)"

.

6. Remove exhaust manifold cover (LH).
7. Remove oil level gauge and oil level gauge guide. Refer to 

EM-36, "Exploded View"

.

8. Disconnect water hoses at heater pipe. Refer to 

CO-29, "Exploded View"

.

9. Remove heater pipe from cylinder head (LH). Refer to 

CO-29, "Exploded View"

.

10. Loosen nuts in reverse order as shown.

: Front

NOTE:

Disregard the numerical order No. 7 and 8 in removal.

11. Remove exhaust manifold (LH).
12. Remove gaskets.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSPECTION AFTER REMOVAL

Surface Distortion

Tool number 

: KV991J0050 (J-44626)

Air fuel ratio sensor

: 50.0 N·m (5.1 kg-m, 37 ft-lb)

Oxygen sensor thread cleaner

: —   (J-43897-12) 

Oxygen sensor thread cleaner

: —   (J-43897 18)

AWBIA0725ZZ

2010 Pathfinder

EM-34

< ON-VEHICLE REPAIR >

[VQ40DE]

EXHAUST MANIFOLD AND THREE WAY CATALYST

• Check the surface distortion of the exhaust manifold mating sur-

face with straightedge and feeler gauge.

• If it exceeds the limit, replace exhaust manifold.

INSTALLATION (LH)

Installation is in the reverse order of removal.

Exhaust Manifold Gasket

Install the exhaust manifold gasket in direction as shown.

: Front

• A: Identification hole

Exhaust Manifold

• If exhaust manifold studs were removed, install them and tighten to specification.

• 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.

-

: Front

REMOVAL (RH)

1. Remove three way catalyst (RH). Refer to 

EM-32, "Removal and Installation (Three Way Catalyst)"

.

2. Remove heat shield from lower dash panel.
3. Remove support bolts from A/T fluid charging pipe. Refer to 

TM-194, "4WD : Exploded View"

.

4. Loosen nuts in reverse order as shown.

: Front

NOTE:

Disregard the numerical order No. 7 and 8 in removal.

5. Remove exhaust manifold (RH) and exhaust manifold cover (RH) together.
6. Remove gaskets.

Limit : 0.3 mm (0.012 in)

PBIC1096E

AWBIA0726ZZ

AWBIA0725ZZ

AWBIA0727ZZ

2010 Pathfinder

EXHAUST MANIFOLD AND THREE WAY CATALYST

EM-35

< ON-VEHICLE REPAIR >

[VQ40DE]

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CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSPECTION AFTER REMOVAL

Surface Distortion

• Check the surface distortion of the exhaust manifold mating sur-

face with straightedge and feeler gauge.

• If it exceeds the limit, replace exhaust manifold.

INSTALLATION (RH)

Installation is in the reverse order of removal.

NOTE:

If necessary, a crowfoot may be used to tighten the exhaust manifold nuts.

Exhaust Manifold Gasket

Install the exhaust manifold gasket in direction as shown.

: Front

• A: Identification hole

Exhaust Manifold

• If exhaust manifold studs were removed, install them and tighten to specification.

• 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.

-

: Front

Limit : 0.3 mm (0.012 in)

PBIC1096E

AWBIA0728ZZ

AWBIA0727ZZ

2010 Pathfinder

EM-36

< ON-VEHICLE REPAIR >

[VQ40DE]

OIL PAN AND OIL STRAINER

OIL PAN AND OIL STRAINER

Exploded View

INFOID:0000000005260451

Removal and Installation

INFOID:0000000005260452

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 the oil pan (lower) using the following steps.

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

2010 Pathfinder

OIL PAN AND OIL STRAINER

EM-37

< ON-VEHICLE REPAIR >

[VQ40DE]

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a. Remove the oil pan (lower) bolts using power tool in reverse

order as shown.

b. Insert Tool between the oil pan (lower) and the oil pan (upper).

CAUTION:

• Be careful not to damage the mating surfaces.

• Do not insert screwdriver, this will damage the mating

surfaces.

NOTE:

Tap (1) Tool to insert it and then slide (2) it by tapping on the side

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-14, "Recommended Chemical Products and Sealants"

.

CAUTION:

Attaching should be done within 5 minutes after coating.

c. Install oil pan (lower).

PBIC2890E

Tool number

: KV10111100 (J-37228)

WBIA0566E

PBIC2888E

Tool number

: WS39930000 (

)

PBIC2889E

2010 Pathfinder

EM-38

< ON-VEHICLE REPAIR >

[VQ40DE]

OIL PAN AND OIL STRAINER

• Tighten oil pan (lower) 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

1. Start engine, and check for leaks of engine oil.
2. Stop engine and wait for 10 minutes.
3. Check engine oil level. 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 under covers (front) and (rear). Refer to 

EXT-14, "Removal and Installation"

.

2. Drain engine oil. Refer to 

LU-9, "Changing Engine Oil"

.

3. Drain engine coolant. Refer to 

CO-12, "Changing Engine Coolant"

.

4. Remove oil level gauge and oil level gauge guide.
5. Remove front final drive (4WD models). Refer to 

DLN-353, "Removal and Installation"

.

6. Remove front frame crossmember.
7. 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"

8. Remove stabilizer bar brackets and position stabilizer bar out of the way. Refer to 

FSU-13, "Component"

.

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

TM-191, "2WD : Exploded

View"

 (2WD models), 

TM-194, "4WD : Exploded View"

 (4WD models).

10. Remove oil filter, if necessary. Refer to 

LU-11, "Removal and Installation"

.

11. Disconnect oil cooler hoses and remove oil cooler, if necessary. Refer to 

LU-12, "Removal and Installa-

tion"

.

12. Disconnect oil pressure switch and remove, if necessary.
13. Remove oil pan (lower).
14. Remove oil strainer.
15. Remove transmission joint bolts which pierce oil pan (upper). Refer to 

TM-191, "2WD : Exploded View"

(2WD models), 

TM-194, "4WD : Exploded View"

 (4WD models).

16. Remove rear cover plate.

PBIC2890E

2010 Pathfinder

OIL PAN AND OIL STRAINER

EM-39

< ON-VEHICLE REPAIR >

[VQ40DE]

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17. Loosen oil pan (upper) bolts with power tool in reverse order as

shown.

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

Tap (1) Tool to insert it and then slide (2) it by tapping on the

side as shown.

CAUTION:

Be careful not to damage mating surfaces.

18. 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.

PBIC2887E

Tool number

: KV10111100 (J-37228)

WBIA0566E

PBIC2885E

PBIC2884E

2010 Pathfinder

 

 

 

 

 

 

 

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