Nissan Pathfinder. Manual - part 546

ENGINE ROOM COVER

EM-23

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

ENGINE ROOM COVER

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Removal and Installation

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CAUTION:

Do not damage or scratch engine room cover when installing or removing. 

REMOVAL

1. Remove front air duct. Refer to 

EM-24, "Removal and Installation"

.

2. Remove engine room cover bolts.
3. Remove engine room cover.

INSTALLATION

Installation is in the reverse order of removal.

1.

Engine room cover

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EM-24

< REMOVAL AND INSTALLATION >

AIR CLEANER AND AIR DUCT

AIR CLEANER AND AIR DUCT

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Removal and Installation

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REMOVAL

1. Remove front air duct.
2. Disconnect the tube clamp at the electric throttle control actuator and at the air duct hose and resonator

assembly.

3. Disconnect the blow-by hose. Refer to 

EM-43, "Exploded View"

4. Remove air duct hose and resonator assembly.
5. Disconnect mass air flow sensor.
6. Remove mass air flow sensor from air cleaner case (upper), as necessary.

CAUTION:

Handle mass air flow sensor with care.

• Do not shock it.

• Do not disassemble it.

• Do not touch its sensor.

7. Disconnect the transaxle breather hose. Refer to 

TM-196, "Removal and Installation"

8. Remove bolts and pull air cleaner case (lower) upward to remove from the grommets.
9. Remove air cleaner assembly.

INSPECTION AFTER REMOVAL

1.

Air duct hose and resonator assembly 2.    Front air duct

3.

Grommet

4.

Air cleaner case (lower)

5.

Grommets

6.

Air cleaner case mounting bracket

7.

Bracket

8.

Air cleaner filter

9.

Air cleaner case (upper)

10. Mass air flow sensor

A. To electric throttle con-

trol actuator

To electric throttle control actuator

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AIR CLEANER AND AIR DUCT

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Inspect air cleaner case (upper), air cleaner case (lower), front air duct, air duct and resonator assembly for

cracks or tears. Replace as necessary.

INSTALLATION

Installation is in the reverse order of removal.

EM-26

< REMOVAL AND INSTALLATION >

INTAKE MANIFOLD COLLECTOR

INTAKE MANIFOLD COLLECTOR

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Removal and Installation

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WARNING:

Do not drain the engine coolant when the engine is hot to avoid the danger of being scalded.

CAUTION:

Do not remove power valves.

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL

CAUTION:

Cover engine openings to avoid the entry of any foreign material.
1. Disconnect the negative battery terminal. Refer to 

PG-93, "Exploded View"

.

2. Remove the cowl top cover and the cowl top extension. Refer to 

EXT-25, "Exploded View"

.

1.

Intake manifold collector

2.    Intake manifold collector gasket 3.

Electric throttle control actuator 

4.

Electric throttle control actuator 
gasket

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