Infiniti FX35, FX50 (S51). Manual - part 932

EM-28

< REMOVAL AND INSTALLATION >

[VQ35HR]

DRIVE BELT AUTO TENSIONER AND IDLER PULLEY

DRIVE BELT AUTO TENSIONER AND IDLER PULLEY

Exploded View

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Removal and Installation

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Removal

1.

Remove drive belt. Refer to 

EM-15, "Exploded View"

.

• Keep auto-tensioner pulley arm locked after drive belt is removed.

2.

Remove auto-tensioner and idler pulley.
• Keep auto-tensioner pulley arm locked to install or remove auto-tensioner.

Installation

Installation is the reverse order of removal.

CAUTION:

If there is damage greater than peeled paint, replace drive belt auto-tensioner.

1.

Front timing chain case

2.

Drive belt auto-tensioner

3.

Idler pulley

4.

Idler pulley

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA0004ZZ

AIR CLEANER AND AIR DUCT

EM-29

< REMOVAL AND INSTALLATION >

[VQ35HR]

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AIR CLEANER AND AIR DUCT

Exploded View

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Removal and Installation

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REMOVAL

1.

Disconnect mass air flow sensor harness connector.

2.

Disconnect PCV hose.

3.

Remove air cleaner case with mass air flow sensor and air duct, disconnecting each joints.
• Add matching marks, if necessary for easier installation.

4.

Remove mass air flow sensor from air cleaner case, if necessary.

CAUTION:

Handle mass air flow sensor with the following cares.
• Never impact mass air flow sensor.
• Never disassemble mass air flow sensor.
• Never touch mass air flow sensor.

INSTALLATION

1.

Air cleaner filter

2.

Holder

3.

Air cleaner case (bank 1)

4.

Air duct (inlet)

5.

Grommet

6.

Air cleaner case (bank 2)

7.

Mass air flow sensor (bank 2)

8.

Clamp

9.

Air duct (bank 2)

10. Clamp

11.

PCV hose

12. Clamp

13. PCV hose

14. Air duct (bank 1)

15. Mass air flow sensor (bank 1)

A.

To electric throttle control actuator 
(bank 2)

B.

To electric throttle control actuator 
(bank 1)

C.

To rocker cover (bank 2)

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA2324GB

EM-30

< REMOVAL AND INSTALLATION >

[VQ35HR]

AIR CLEANER AND AIR DUCT

Note the following item, and install in the reverse order of removal.
• Align marks. Attach each joint. Screw clamps firmly.

Inspection

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INSPECTION AFTER REMOVAL

Inspect air duct and resonator if assembly for crack or tear.
• If damage found, replace air duct and resonator assembly.

Clamp tightening torque

 :4.5 N·m (0.46 kg-m, 40 in-lb)

INTAKE MANIFOLD COLLECTOR

EM-31

< REMOVAL AND INSTALLATION >

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INTAKE MANIFOLD COLLECTOR

Exploded View

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Removal and Installation

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REMOVAL

WARNING:

Never drain engine coolant when the engine is hot to avoid the danger of being scalded.
1.

Remove engine cover with power tool. Refer to 

EM-27, "Exploded View"

.

2.

Remove air cleaner case and air duct. Refer to 

EM-29, "Exploded View"

.

3.

Remove electric throttle control actuator as per the following:

a.

Drain engine coolant, or when water hoses are disconnected, attach plug to prevent engine coolant leak-
age.

1.

EVAP canister purge control solenoid 
valve

2.

Clamp

3.

EVAP hose

4.

EVAP hose

5.

Clamp

6.

Water hose

7.

Water hose

8.

Electric throttle control actuator 
(bank1)

9.

Gasket

10. Intake manifold collector

11.

Gasket

12. Water hose

13. Water hose

14.

Electric throttle control actuator 
(bank2)

15. EVAP hose

16. Water hose

17. EVAP tube assembly

18. EVAP hose

A.

To vacuum pipe

B.

To brake booster

C.

To heater pipe

D.

To water outlet (rear)

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA1900GB