Intake Manifold: Service and Repair

11 61 050 Removing and installing intake air manifold (N12)

Necessary preliminary tasks:
^ Remove suction filter housing.
^ Remove engine cover.

Unfasten engine wiring harness (1) on intake manifold.
Disconnect plug connection (2).
Disconnect plug connection (3) on tank vent valve.





Disconnect plug connection (1).
Release tank vent valve (2).





Disconnect plug connection (1) on solenoid valve.
Release engine breathers and hold to one side.
Slacken nut (2).

Tighten intake manifold to cylinder head
1AZ Intake manifold to cylinder head
M8x125 15 Nm
AM7 20 Nm
Note: Hexagon nut





Disconnect plug connection (1).
Unfasten engine wiring harness (2) on intake manifold.





Release cable (1) at intake manifold holder.
Release screw (2).
Release screw (3).
Take off holder (4).

Tighten intake manifold to cylinder head
1AZ Intake manifold to cylinder head
M8x125 15 Nm
AM7 20 Nm
Note: Hexagon nut





Release screw (2).
Unscrew nuts (3).

Tighten intake manifold to cylinder head
1AZ Intake manifold to cylinder head
M8x125 15 Nm
AM7 20 Nm
Note: Hexagon nut





Installation:
Replace all seals.
Assemble engine.