Intake Manifold, Upper Section

Intake Manifold, Upper Section

Removing

• During installation, all cable ties must be installed at the same location.

- Remove the front and rear engine covers.

- Free up the hose connection - 1 - to the EVAP canister.






- Remove the vacuum hose - 2 - from the air guide hose connection.

- Remove the air guide hose by loosening the hose clamp - 3 - and opening the clips - arrows -.

• Ignore - 4 -.

- Disconnect the electrical connector - 1 - on EVAP emission canister purge regulator valve 1 (N80) and disconnect the vacuum hose - 1 -.






- Remove the EVAP emission canister purge regulator valve 1 from the bracket and lay it aside with the hose connected.

• Disregard the - arrow -.

- Disconnect electrical harness connectors.






1. Intake Manifold Tuning (IMT) Valve (N156)

2. Intake Manifold Tuning (IMT) Valve Position Sensor (G513)


- Remove the vacuum hose - arrow -.

- Disconnect vacuum hose - arrow - at leak detection pump.






- Disconnect electrical harness connectors.






1 Throttle valve control module (J338)
4 Intake air temperature (IAT) sensor (G42) / manifold absolute pressure (MAP) sensor (G71)

- Free up the vacuum hose - arrow -.

- Free up the wiring harness.

- Remove bolt - 3 -.

- Press the retaining tab - 2 - up slightly and disconnect the crankcase ventilation hose from the intake manifold.

- Remove the bolts - arrows - and the upper section of the intake manifold.






• Plug the intake ports of the cylinder head with clean rags.

Installing

Installation is performed in reverse order of removal, noting the following:

• Tightening specifications, refer to => [ Intake Manifold, Upper Section Overview ] Intake Manifold, Upper Section Overview.

• Replace seals and O-rings.

• During installation, all cable ties must be installed at the same location.

• Secure all hose connections using hose clamps appropriate for the model type. Refer to the electronic parts catalog ETKA.