Intake Manifold
Intake Manifold
Removing
• All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.
Observe safety precautions when disconnecting the battery.
- Clamp off battery Ground (GND) wire with ignition switched off.
- Remove air filter element. Refer to => [ Air Filter ] Air Filter.
- Remove air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.
- Disconnect electrical connectors - 1, 2, 3 - and free up electrical wires.
- Disconnect crankcase ventilation hose - 4 -.
- Remove ignition coils. Refer to => [ Ignition Coils ] Service and Repair.
- Remove the Throttle Valve Control Module (J338). Refer to => [ Throttle Valve Control Module ] Throttle Valve Control Module.
- Remove vacuum hoses - 1, 3, 4 - back from intake manifold.
Vehicles with engine code CBRA:
- Remove the vacuum hose - 2 - for the leak detection pump (V144).
All Vehicles
- Remove line union from intake manifold - arrows - and place it in the rear with hoses connected.
- Remove bolts - arrows - for rear intake manifold mount.
- Disengage harness connector - arrow - for Engine Speed (RPM) Sensor (G28) from bracket on oil dipstick guide tube.
- Remove dipstick.
- Remove bolt - 3 -, remove oil dipstick guide tube - 2 - and lay it aside.
- Remove bolt - 4 - and remove vacuum reservoir - 1 - from intake manifold.
- Set aside vacuum reservoir with lines still connected.
- Release relay lever - arrow - and remove it.
- Remove the bolts - 1 - and - 2 -.
- Remove intake manifold change-over actuator from intake manifold and lay it aside with vacuum hose connected - 3 -.
- Remove bolts - arrows - and remove left engine lifting eye.
- Remove bolts - arrows - at front on intake manifold.
- To prevent surface damage to the intake manifold, lay a clean cloth - 1 - over the lock carrier.
- Tip intake manifold forward - arrow A - and remove it to the left - arrow B -.
• Seal intake channels in cylinder head with clean rags or foam pieces so that small pieces cannot fall in.
Installing
• Tightening specifications, refer to => [ Intake Manifold Assembly Overview ] Intake Manifold Assembly Overview.
Installation is in reverse order of removal, note the following:
• Replace seals.
- Install ignition coils. Refer to => [ Ignition Coils ] Service and Repair.
- Install throttle valve control module (J338). Refer to => [ Throttle Valve Control Module ] Throttle Valve Control Module.
- Install air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.
- Install air filter insert. Refer to => [ Air Filter ] Air Filter.
- Connect Ground (GND) cable to battery.