For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Release the fuel pressure. Refer to Fuel Pressure Relief.
3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
4. Remove the power steering pressure pipe clamp from the intake manifold.
5. Disconnect the related sensor and actuator connectors and the pull engine wiring harness aside.

• | A/C pressure sensor (ACP) connector

• | CAM position solenoid valve connector

• | Electric throttle controller (ETC) connector

• | Manifold air pressure (MAP) sensor connector

• | EVAP solenoid valve connector

• | Injector connectors

6. Disconnect the fuel line from the fuel rail.
7. Disconnect the ETC coolant inlet/outlet hoses and then pull it aside.
8. Remove the PCV hose from the ETC.
9. Remove the cylinder head cover. Refer to Valve Rocker Arm Cover Replacement.
10. Remove the electric throttle controller (ETC). Refer to Throttle Body Assembly Replacement.
11. Remove the intake manifold (2) with the gasket.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

Note: Do not reuse the intake manifold gasket.

1. Install the intake manifold (2) with the new gasket and tighten.

• | The intake manifold bolts (1) to 20 N·m (14.7 lb ft).

• | The intake manifold lower bracket bolt to 8 N·m (70.8 lb in).

2. Install the electric throttle controller (ETC). Refer to Throttle Body Assembly Replacement.
3. Install the cylinder head cover. Refer to Valve Rocker Arm Cover Replacement.
4. Install the PCV hose to the ETC.
5. Connect the ETC coolant inlet/outlet hoses.
6. Connect the fuel line to the fuel rail.
7. Connect the related sensor and actuator connectors.

• | A/C pressure sensor (ACP) connector

• | CAM position solenoid valve connector

• | Electric throttle controller (ETC) connector

• | Manifold air pressure (MAP) sensor connector

• | EVAP solenoid valve connector

• | Injector connectors

8. Install the power steering pressure pipe clamp to the intake manifold.
9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
10. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.