M11 Series – Service Manual – 010-023   Air Intake Manifold

Disconnect the air pipe from the charge air cooler to the inlet air connection.

Remove the inlet air connection and the sensors from the air manifold.

Remove the mounting capscrews and the intake manifold.

Clean the intake manifold to rocker housing surface.

Clean the intake manifold gasket surface.

Inspect the intake manifold for cracks or other damage.

NOTE: When inspecting the intake manifold for oil or debris from an air system failure, also inspect the intake ports in the rocker housing and cylinder head for oil and debris.

Install two guide pins in the rocker lever housing before installing a new gasket.

Install the intake manifold and capscrews.

Tighten the capscrews in the sequence shown.

Use a new gasket, and install the inlet air connection.

Install the sensors.

Install the air pipe from the charge air cooler to the intake connection. Tighten the clamps.

Refer to the manufacturer’s specification for the correct torque value.

Operate the engine to normal operating temperature and check for air leaks.