Nissan Maxima. Manual - part 534

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AIR CLEANER AND AIR DUCT

AIR CLEANER AND AIR DUCT

Removal and Installation

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REMOVAL

1. Remove engine room cover. Refer to 

EM-23, "Removal and Installation"

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

assembly.

4. Disconnect the blow-by hose.
5. Remove air duct hose and resonator assembly.
6. Disconnect mass air flow sensor.
7. 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.

8. Disconnect transaxle breather.
9. Remove air cleaner case assembly.

INSTALLATION

Installation is in the reverse order of removal.

1.

Air duct hose and resonator assembly 2.    Front air duct

3.

Air cleaner case (lower)

4.

Grommets

5.

Air cleaner case mounting bracket 6.

Bracket

7.

Air cleaner filter

8.

Air cleaner case (upper)

9.

Mass air flow sensor

A.

To electric throttle control actuator

B. Air cleaner case side clips

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INTAKE MANIFOLD COLLECTOR

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INTAKE MANIFOLD COLLECTOR

Removal and Installation

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WARNING:

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

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

1. Remove the cowl top, lower cowl top extension and lower cowl top extension brace. Refer to 

EXT-21,

"Removal and Installation"

.

2. Remove the engine room cover. Refer to 

EM-23, "Removal and Installation"

.

3. Remove front air duct and air duct hose and resonator assembly. Refer to 

EM-24, "Removal and Installa-

tion"

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1. Intake  manifold  collector

2.    Intake  manifold  collector gasket

3.

Electric throttle control actuator gasket

4. Electric throttle control actuator  A.  Refer to INSTALLATION

B. Refer to INSTALLATION

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INTAKE MANIFOLD COLLECTOR

4. Remove the electric throttle control actuator bolts in the reverse

order as shown and remove the electric throttle control actuator

and position aside.

CAUTION:

• Handle carefully to avoid any shock to the electric throttle

control actuator.

• Do not disassemble.

5. Disconnect the following:

• Power brake booster vacuum hose

• PCV hose

• Electric throttle control actuator electrical connector

• EVAP canister purge hose

CAUTION:

Cover any engine openings to avoid the entry of any foreign material.

6. Remove the EVAP canister purge volume solenoid valve bracket bolt. Position the valve aside.
7. Loosen the intake manifold collector bolts in the order as shown

using power tool, and remove the intake manifold collector and

gasket.

8. If necessary remove the following components:

• VIAS control solenoid valve

• EVAP canister purge volume control solenoid valve

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Do not reuse intake manifold collector gasket or electric throttle control actuator gasket.

• Tighten intake manifold collector bolts in the order as shown.

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INTAKE MANIFOLD COLLECTOR

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• Tighten electric throttle control actuator bolts in the order shown.

NOTE:

After installation, it is necessary to re-calibrate the electric throttle control actuator as follows:

1. Perform the 

″Throttle Valve Closed Position Learning″ when harness connector of the electric throttle con-

trol actuator is disconnected. Refer to 

EC-21, "THROTTLE VALVE CLOSED POSITION LEARNING :

Special Repair Requirement"

.

2. Perform the 

″Idle Air Volume Learning″ when the electric throttle control actuator is replaced. Refer to 

EC-

21, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"

.

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