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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.

1.Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L3 Turbo].)

2.Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [L3 Turbo].)

3.Remove the under cover.

4.Disconnect the wiring harness.

5.Remove in the order indicated in the table.

6.Install in the reverse order of removal.

7.Add the engine coolant to the cooling system filler neck and the coolant reserve tank to replace that during servicing. (Turbocharger not removed)

8.Refill the engine coolant. (Turbocharger removed)

9.Inspect the engine coolant level. (See ENGINE COOLANT LEVEL INSPECTION [L3 Turbo].)

10.Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [L3 Turbo].)

11.Perform the following procedure.

When newly replacing turbocharger

• Replace the engine oil. (See ENGINE OIL REPLACEMENT [L3 Turbo].)

When installing a removed turbocharger

• Inspect the engine oil level. (See ENGINE OIL LEVEL INSPECTION [L3 Turbo].)

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Air Hose Removal Note

1.Disconnect the fuel injector harness connector.

2.Disconnect the ventilation hose connected to the air hose.

3.Remove the air hose.

Air Duct Removal Note

1.Disconnect the wastegate control solenoid valve connector.

2.Disconnect the purge solenoid valve connector.

3.Disconnect the EGR valve connector.

4.ATF gage pipe out of the way. (ATX)

5.Remove the air duct.

Throttle Body Removal Note

Warning

• Turn off the engine and wait until it is cool. Even then, be very careful when removing the cap. Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop. Step back while the pressure escapes.

• When you are sure all the pressure is gone, press down on the cap using the cloth, turn it, and remove it.

Caution

• Do not plug the water hose with a sharp-edged object. Otherwise, the hose could be damaged.

Turbocharger not removed

Note

• If the turbocharger is not removed at the same time (if only throttle body is removed), remove the throttle body without draining the engine coolant.

1.Disconnect the throttle body connector.

2.Wrap a clean cloth around the cooling system cap and release the pressure by loosening the cap slowly.

3.Remove the water hose from the throttle body and plug the water hose quickly.

4.Remove the throttle body.

Turbocharger removed

Note

• If the turbocharger is removed at the same time, drain the engine coolant and remove the throttle body.

1.Disconnect the throttle body connector.

2.Drain the engine coolant before disconnect the water hose. (See ENGINE COOLANT REPLACEMENT [L3 Turbo].)

3.Remove the throttle body.

Intake Manifold Removal Note

1.Remove the fuel delivery pipe cover.

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2.Disconnect the quick connector connected to the intake manifold.

3.Remove the EGR pipe. (See EGR PIPE REMOVAL/INSTALLATION [L3 Turbo].)

4.Disconnect the variable swirl solenoid valve connector.

5.Disconnect the OCV connector.

6.Disconnect the PSP switch connector.

7.Remove the oil level gauge pipe. (See OIL PAN REMOVAL/INSTALLATION [L3 Turbo].)

8.Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION [L3 Turbo].)

9.Set the electric power steering oil pump out of the way.

10.Disconnect the fuel pressure sensor connector.

11.Disconnect the vacuum hose connected between the intake manifold and the master cylinder from the intake manifold.

12.Disconnect the MAP sensor connector.

13.Remove the intake manifold installation bolts.

14.Disconnect the evaporative hose connected between the intake manifold and the PCV valve from the intake manifold.

15.Remove the intake manifold.

Turbocharger Removal Note

1.Disconnect the HO2S. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [L3 Turbo].)

2.Remove the front pipe. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

3.Remove the A/F sensor. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [L3 Turbo].)

4.Remove the WU-TWC bracket. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

5.Remove the cowl grille. (See COWL GRILLE REMOVAL/INSTALLATION.)

6.Remove the windshield wiper motor. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.)

7.Remove the cowl panel. (See COWL PANEL REMOVAL/INSTALLATION.)

8.Remove the generator duct. (See GENERATOR REMOVAL/INSTALLATION [L3 Turbo].)

9.Set the generator out of the way. (See GENERATOR REMOVAL/INSTALLATION [L3 Turbo].)

10.Remove the WU-TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

11.Remove the oil outlet pipe, oil inlet pipe, water outlet pipe, water inlet pipe, and turbocharger insulator.

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12.Remove the turbocharger.

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Turbocharger Installation Note

1.Install the turbocharger.

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2.Install the WU-TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

3.Install the A/F sensor. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [L3 Turbo].)

4.Tight the oil inlet pipe installation bolt while the stopper of the water outlet pipe is faced to the installation area, then install the turbocharger insulator.

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5.Install the oil outlet pipe and water inlet pipe, then insert the water hose until it reaches the stopper.

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Wastegate Control Solenoid Valve Installation Note

1.Install the wastegate control solenoid valve.

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2.Install the hose as shown in the figure.

Throttle Body Installation Note

1.Tighten the throttle body installation bolts in the order shown in the figure.

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2.Remove the plug from the engine coolant hose and install the water hose to the throttle body quickly. (Turbocharger not removed)

3.Install the water hose to the throttle body. (Turbocharger removed)

Air Cleaner Case Installation Note

Caution

• Before assembling the air cleaner, verify that the rubber mounts have not fallen off from the air cleaner bracket (3 locations).

• Always install the air cleaner case using the following procedure.

Note

• When inserting the rubber mounts into the air cleaner case, soapy water can be applied.

1.Verify that the rubber mounts are set in the air cleaner bracket (3 locations).

2.Install the projections on the frame side (2 locations).

3.Verify that the projections on the frame side are installed securely.

4.Install the projection on the engine side (remaining location).

5.Verify that the projection on the engine side installed securely.