INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [WL-C, WE-C]

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Warning
•  A hot engine and intake-air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake-air system.
•  Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
•  Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage, Fuel can also irritate skin and eyes. To prevent this, always complete the following "Fuel Line Safety Procedure". (See BEFORE SERVICE PRECAUTION [WL-C, WE-C].)
Note
•  If the MAF sensor is replaced, always perform each adjustment procedure using the following steps.

MAF sensor

STEP

ACTION

PAGE/CONDITION
1
Perform mass air flow (MAF) sensor data reset procedure.
(See MASS AIR FLOW (MAF) SENSOR DATA RESET [WL-C, WE-C].)
2
Perform KOEO self-test procedure.
(See KOEO/KOER SELF TEST [WL-C, WE-C].)
3
Turn the engine switch to the off position.
–
4
Wait for 5 s.
–
5
Start the engine.
–
6
Perform KOER self-test procedure.
(See KOEO/KOER SELF TEST [WL-C, WE-C].)
7
Turn the engine switch to the off position.
–

1.  Remove the engine cover.

2.  Disconnect the negative battery cable.

3.  Remove in the order indicated in the table.

4.  Install in the reverse order of removal.

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1
MAF sensor/IAT sensor No.2
2
Air intake hose
3
Air cleaner cover
4
Air cleaner element
5
Air cleaner case
6
Fresh-air duct
(See Fresh-Air Duct Removal Note.)
7
VBC solenoid valve
8
Vacuum check valve
9
Turbocharger air outlet hose
10
Turbocharger air outlet pipe
11
Charge air cooler inlet hose
12
Charge air cooler outlet hose
13
Charge air cooler
14
Protector (if epuipped)
15
Charge air cooler air outlet pipe
16
Charge air cooler air outlet hose
17
Vacuum pipe
18
Intake shutter valve
19
EGR control solenoid valve bracket
20
Boost sensor/IAT sensor No.1
21
Intake manifold
(See Intake Manifold Removal Note.)


Fresh-Air Duct Removal Note

1.  Remove the front mud guard. (See FRONT FENDER PANEL REMOVAL/INSTALLATION.)


Intake Manifold Removal Note

1.  Set the fuel filter component slightly out of the way. (See FUEL FILTER (HIGH-PRESSURE) REMOVAL/INSTALLATION [WL-C, WE-C].)

2.  Remove the EGR valve and EGR pipe.

3.  Remove the injection pipe. (See SUPPLY PUMP REMOVAL/INSTALLATION [WL-C, WE-C].)

4.  Remove the common rail. (See SUPPLY PUMP REMOVAL/INSTALLATION [WL-C, WE-C].)