Upper Intake Manifold
Upper Intake Manifold
Removing
• All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.
- Remove front engine cover - arrows -.
- Remove rear engine cover - arrows -.
- Disconnect check valve - 1 - from air duct hose.
- Remove air duct hose, thereby loosening hose clamp - 2 - and opening clips - arrows -.
- Disconnect electrical harness connectors.
1. Change over valve for intake manifold flap (N239)
2. Intake Manifold Tuning (IMT) valve position sensor (G513)
- Remove vacuum lines - arrow A - and - arrow B -.
- Disconnect vacuum hose - arrow C - at leak detection pump.
- Disconnect electrical harness connectors.
1. Camshaft adjustment valve 1 (N205)
2. Throttle valve control module (J338)
3. Evaporative emission (EVAP) canister purge solenoid valve (N80)
4. Intake Air Temperature (IAT) sensor (G42)/Manifold Absolute Pressure (MAP) sensor (G71)
5. Intake Manifold Runner Control (IMRC) valve (N316)
- Free up wiring harness.
- Disconnect vacuum hoses - arrows -.
- Remove Evaporative emission (EVAP) canister purge regulator valve (N80) - 1 - from throttle valve control module (J338).
- Disconnect crankcase breather hose at pressure regulator valve - arrow -.
• To improve clarity, the engine is removed shown from the rear.
- Remove bolts - arrows - and remove intake manifold upper.
• Plug the intake ports of the cylinder head with clean rags.
Installing
Installation is in reverse order of removal, note the following:
• Replace gaskets and O-rings.
• During installation, all cable ties must be reinstalled at the same location.
• Secure all hose connections using hose clamps appropriate for the model type.
Tightening Specifications