Nissan Frontier D40. Manual - part 602

EM-140

< ON-VEHICLE REPAIR >

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INTAKE MANIFOLD COLLECTOR

INTAKE MANIFOLD COLLECTOR

Exploded View

INFOID:0000000005274328

Removal and Installation

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REMOVAL

1.

Remove the engine under cover. Refer to 

EXT-13, "Removal and Installation"

.

2.

Remove engine room cover. Refer to 

EM-138, "Removal and Installation"

.

3.

Remove air duct and resonator assembly. Refer to 

EM-139, "Removal and Installation"

.

4.

Remove electric throttle control actuator as follows:

a.

Partially drain engine coolant. Refer to 

CO-39, "Changing Engine Coolant"

.

WARNING:

To avoid the danger of being scalded, never drain engine coolant when engine is hot.

CAUTION:

• Perform when engine is cold.
• Do not spill engine coolant on drive belt.

b.

Disconnect water hoses from electric throttle control actuator.

c.

Disconnect harness connector.

1.

Vacuum tank

2.

VIAS control solenoid valve

3.

Vacuum hose

4.

Intake manifold collector support

5.

Water hose

6.

Electric throttle control actuator

7.

Water hose

8.

EVAP hose

9.

Bracket

10. EVAP hose

11. EVAP canister purge volume control 

solenoid valve

12. Gasket

13. Gasket

14. Intake manifold collector

15. Clip

16. PCV hose

17. Connector

18. PCV hose

a.

To intake manifold collector

b.

To power valve

c.

To throttle body

d.

To cylinder head (RH bank)

WBIA0731E

INTAKE MANIFOLD COLLECTOR

EM-141

< ON-VEHICLE REPAIR >

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d.

Loosen bolts in reverse order as shown.

CAUTION:

• Handle carefully to avoid any shock to electric throttle

control actuator.

• Do not disassemble.

5.

Remove the following parts:
• Vacuum hose (to brake booster)
• PCV hose

6.

Loosen bolts in reverse order as shown to remove intake mani-
fold collector support.

7.

Disconnect EVAP hoses and harness connector from EVAP canister purge volume control solenoid valve.

8.

Remove EVAP canister purge volume control solenoid valve.

9.

Remove VIAS control solenoid valve and vacuum tank.
• Add mating marks as necessary for easier installation. 

10. Loosen nuts and bolts in reverse order as shown with power

tool, and remove intake manifold collector.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSTALLATION

Installation is in the reverse order of removal. Note the following:

Intake Manifold Collector

• If stud bolts were removed from intake manifold, install them and tighten to the specified torque.
• Tighten nuts and bolts in numerical order as shown.

PBIC2875E

PBIC2876E

PBIC2877E

Intake manifold collector 
bolts and nuts

: 11.0 N·m (1.1 kg-m, 8 ft-lb)

Stud bolts

: 6.9 N·m (7.0kg-m, 61 in-lb)

PBIC2877E

EM-142

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[VQ40DE]

INTAKE MANIFOLD COLLECTOR

Electric Throttle Control Actuator

• Tighten bolts in numerical order as shown.
• Perform the “Throttle Valve Closed Position Learning” when har-

ness connector of electric throttle control actuator is disconnected.
Refer to 

EC-473, "Throttle Valve Closed Position Learning"

.

• Perform the “Idle Air Volume Learning” and “Throttle Valve Closed

Position Learning” when electric throttle control actuator is
replaced. Refer to 

EC-473, "Idle Air Volume Learning"

.

PBIC2875E

INTAKE MANIFOLD

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INTAKE MANIFOLD

Exploded View

INFOID:0000000005274330

Removal and Installation

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REMOVAL

1.

Release fuel pressure. Refer to 

EC-954, "Fuel Pressure Check"

.

2.

Disconnect the battery negative terminal. Refer to 

PG-84, "Removal and Installation"

.

3.

Remove fuel tube and fuel injector assembly. Refer to 

EM-159, "Removal and Installation"

.

4.

Loosen nuts and bolts with power tool in reverse order as shown
to remove intake manifold.

5.

Remove gaskets.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSPECTION AFTER REMOVAL

Surface Distortion

1.

Intake manifold

2.

Gasket

PBIC2878E

PBIC2879E