Intake Manifold Upper Section
Intake Manifold Upper Section
Removing
• During installation, all cable ties must be installed at the same location.
- Remove the engine covers - arrows -.
- Free up the line - 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 canister purge regulator valve 1 (N80) and disconnect the vacuum hose - 2 -.
- Remove the EVAP canister purge regulator valve 1 (N80) from the bracket and lay it aside with the hose connected.
• Disregard - arrow -.
- Disconnect the electrical connectors:
1. Intake manifold tuning (IMT) valve (N156)
2. Intake manifold tuning (IMT) valve position sensor (G513)
- Disconnect the vacuum hose - arrow -.
- Remove bolts - arrows -.
- Disconnect the vacuum hose - 1 - and move the bracket with the secondary air injection valves aside.
- Disconnect the electrical 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 -.
- 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 intake manifold upper section.
• Plug the intake ports of the cylinder head with clean rags.
Installing
• Tightening specifications, refer to => [ Intake Manifold, Upper Section Overview ] Intake Manifold, Upper Section Overview.
Installation is performed in reverse order of removal, noting the following:
• Replace the seals and O-rings.
• Secure all hose connections with hose clamps appropriate for the model.