Intake Manifold: Service and Repair

11 61 051 - Removing and installing intake manifold





Special tools required:
- 13 5 280 13 5 280 Plugs for Fuel Lines

Disconnect battery; to do so, proceed in accordance with instructions for disconnecting and connecting battery.

Refer to Disconnecting and connecting battery Instructions for Disconnecting and Connecting Battery

Remove air cleaner housing.

Refer to Removing and installing air cleaner housing.

Remove throttle assembly.

Refer to Removing and installing/sealing throttle assembly Service and Repair.





Remove cover from fuel rail.

Detach line to brake booster from intake manifold.

Press ring downwards to expose line (1).

Detach crankcase ventilation valve from inspection hole cover





Caution!
Catch and dispose of escaping fuel.

Remove fuel line from fuel rail; disconnect quick-release coupling for this purpose.

Detach plug connector from intake air temperature/manifold air pressure sensor (TMAP).

Detach knock sensor plug from fuel rail wiring harness.

Disconnect tank vent link and unclip at fuel rail.

Disconnect vacuum line from intake manifold.





Remove retaining screws of fuel rail, then remove fuel injectors and fuel rail from manifold. Seal off fuel pressure regulator with special tool 13 5 280 13 5 280 Plugs for Fuel Lines . Support fuel rail with a suitable piece of wire or manufactured rod.

Remove dipstick.





Release manifold screws (5-1) and remove manifold.

Unclip coolant line below manifold.

Installation Note:
Check gaskets on all cylinders and replace if necessary.

Tighten down bolts in sequence (1-5).

Tightening torque, 11 12 8AZ 11 12 Cylinder Head and Cylinder Head Cover.