Nissan Xterra. Instruction — part 349
EM-24
< REMOVAL AND INSTALLATION >
[VQ40DE]
AIR CLEANER AND AIR DUCT
REMOVAL AND INSTALLATION
AIR CLEANER AND AIR DUCT
Exploded View
INFOID:0000000009484450
Removal and Installation
INFOID:0000000009484451
NOTE:
Add marks as necessary for easier installation.
REMOVAL
1. Remove engine room cover (if equipped).
2. Disconnect the harness connector from mass air flow sensor.
3. Disconnect crankcase ventilation hose.
4. Remove the air duct and resonator assembly and air cleaner case (upper).
5. Remove air cleaner filter and air cleaner case (lower).
6. If necessary remove the mass air flow sensor from the air cleaner case (upper)
CAUTION:
Handle mass air flow sensor with care.
• Do not shock it.
• Do not disassemble it.
• Do not touch its sensor.
INSPECTION AFTER REMOVAL
Inspect air duct and resonator assembly for cracks or tears.
• Replace air duct and resonator assembly as necessary.
INSTALLATION
Installation is in the reverse order of removal.
1.
Air cleaner case (lower)
2.
Air cleaner filter
3.
Air cleaner case (upper)
4.
Mass air flow
5.
Air duct and resonator
Front
AWBIA1521ZZ
INTAKE MANIFOLD COLLECTOR
EM-25
< REMOVAL AND INSTALLATION >
[VQ40DE]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
INTAKE MANIFOLD COLLECTOR
Exploded View
INFOID:0000000009484452
Removal and Installation
INFOID:0000000009484453
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove air duct and resonator assembly. Refer to
EM-24, "Removal and Installation"
2. Remove electric throttle control actuator as follows:
a. Partially drain engine coolant. Refer to
CO-11, "Changing Engine Coolant"
.
WARNING:
To avoid the danger of being scalded, do not 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
EM-26
< REMOVAL AND INSTALLATION >
[VQ40DE]
INTAKE MANIFOLD COLLECTOR
d. Loosen bolts in reverse order as shown.
CAUTION:
• Handle carefully to avoid any shock to electric throttle
control actuator.
• Do not disassemble.
3. Remove the following parts:
• Vacuum hose (to brake booster)
• PCV hose
4. Loosen the intake manifold collector support bolts in reverse
order as shown to remove the intake manifold collector support.
5. Disconnect EVAP hoses and harness connector from EVAP canister purge volume control solenoid valve.
6. Remove EVAP canister purge volume control solenoid valve.
7. Remove VIAS control solenoid valve and vacuum tank.
• Add mating marks as necessary for easier installation.
8. 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.
PBIC2875E
PBIC2876E
PBIC2877E
Intake manifold collector
stud bolts
: 6.9 N·m (0.7 kg-m, 61 in-lb)
INTAKE MANIFOLD COLLECTOR
EM-27
< REMOVAL AND INSTALLATION >
[VQ40DE]
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
• Tighten nuts and bolts in numerical order as shown.
Intake Manifold Collector Support
Tighten the intake manifold collector support bolts to specification in
the order as shown to install the intake manifold collector support.
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.
EC-125, "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-125, "Idle Air Volume Learning"
.
PBIC2877E
PBIC2876E
PBIC2875E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст