Removal and Installation

INTAKE MANIFOLD


Removal and Installation


REMOVAL

WARNING:
To avoid the danger of being scalded, never drain the engine coolant when the engine is hot.
1. Remove engine cover and engine room cover (RH and LH). Exploded View.
2. Release fuel pressure. Testing and Inspection.
3. Remove air duct (inlet) and air duct. Exploded View.





4. Remove quick connector cap (1) and disconnect fuel feed hose
(2) on engine side. Exploded View.

White arrow : Engine front

5. Remove engine cover bracket. Exploded View.
6. Remove fuel injector and fuel tube assembly. Exploded View.
7. Disconnect manifold absolute pressure (MAP) sensor and air fuel ratio sensor 1 (bank 1) harness connector.
8. Remove vacuum tank, EVAP service port hose and EVAP canister purge control solenoid valve.
9. Disconnect PCV hoses and vacuum hose from intake manifold.
- Add matching marks as necessary for easier installation.
10. Drain engine coolant from radiator. Draining.

CAUTION:
- Perform this step when the engine is cold.
- Never spill engine coolant on drive belts.

NOTE:
When removing only intake manifold, move electric throttle control actuator without disconnecting the water hoses.
11. Remove electric throttle control actuator.





- Loosen mounting bolts in reverse order as shown in the figure.

NOTE:
- The figure shows the electric throttle control actuator (bank 1) viewed from the air duct side.
- Viewed from the air duct side, the order of loosening mounting bolts of electric throttle control actuator (bank 1) is the same as that of the electric throttle control actuator (bank 2).

CAUTION:
- Handle carefully to avoid any impact to electric throttle control actuator.
- Never disassemble.
12. Remove intake manifold with power tool.





- Loosen mounting bolts in reverse order as shown in the figure.

White arrow : Engine front

13. Remove intake manifold gaskets.

CAUTION:
Cover engine openings to avoid entry of foreign materials.
14. Remove manifold absolute pressure (MAP) sensor, if necessary.

CAUTION:
Handle carefully to avoid any impact to manifold absolute pressure (MAP) sensor.
15. Remove acoustic absorbent.

INSTALLATION
Note the following item, and install in the reverse order of removal.

Intake Manifold





Tighten in numerical order as shown in the figure.

White arrow : Engine front

Electric Throttle Control Actuator





- Tighten in numerical order as shown in the figure.

NOTE:
- The figure shows the electric throttle control actuator (bank 1) viewed from the air duct side.
- Viewed from the air duct side, the order of tightening mounting bolts of electric throttle control actuator (bank 1) is the same as that of the electric throttle control actuator (bank 2).
- Perform the "Throttle Valve Closed Position Learning" when harness connector of electric throttle control actuator is disconnected. Special Repair Requirement Description Special Repair Requirement Description Special Repair Requirement, "THROTTLE VALVE CLOSED POSITION
LEARNING : Description".
- Perform the "Idle Air Volume Learning" and "Throttle Valve Closed
Position Learning" when electric throttle control actuator is replaced. Description Special Repair Requirement, "IDLE AIR VOLUME
Description.

Water Hose
Insert hose by 27 to 32 mm (1.06 to 1.26 in) from connector end.

Vacuum Hose
Testing and Inspection.