Intake Manifold, Upper Section
Intake Manifold, Upper Section
Removing
• During installation, all cable ties must be re-installed at the same location.
- Remove front and rear engine covers.
- Free up hose connection - 1 - to the EVAP canister.
- Remove vacuum hose - 2 - from the air guide hose connection.
- Remove air guide hose by loosening the hose clamp - 3 - and opening the clips - arrows -.
• Ignore - 4 -.
- Disconnect vacuum hose - 2 -.
• Disregard - arrow -.
Disconnect the following electrical connectors.
1 Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
2 Secondary air injection (AIR) solenoid valve (N112) (installed only on vehicles with emissions standard ULEV 2)
3 Intake Air Temperature (IAT) Sensor (G42)/Manifold Absolute Pressure (MAP) Sensor (G71)
4 Auxiliary heater exhaust gas sensor (N422) (installed only on vehicles without an auxiliary heater)
5 Secondary air injection (AIR) solenoid valve 2 (N320) (installed only on vehicles with emissions standard ULEV 2)
6 Throttle valve control module (J338)
- Remove evaporative emission (EVAP) canister purge regulator valve (N80) from the bracket and lay it aside with the hose connected.
- Disconnect front connectors on the intake manifold.
1. Intake Manifold Tuning (IMT) Valve (N156)
2. Intake Manifold Tuning (IMT) Valve Position Sensor (G513)
- Remove vacuum hose - arrow -.
- Disconnect vacuum hose - arrow - at leak detection pump.
- Free up vacuum hose - arrow -.
- Free up wiring harness.
- Remove bolt - 3 -.
- Press retaining tab - 2 - up slightly and disconnect the crankcase ventilation hose from the intake manifold.
- Remove bolts - arrows - and upper section of the intake manifold.
• Plug the intake ports of the cylinder head with clean rags.
Installing
Installation is in reverse order of removal, note the following:
• Tightening Specifications. Refer to => [ Intake Manifold, Upper Section Assembly Overview ] Intake Manifold, Upper Section Assembly Overview.
• Replace seals and O-rings.
• During installation, all cable ties must be re-installed at the same location.
• Secure all hose connections using hose clamps appropriate for the model type.