Intake Manifold, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

-- Disconnect the battery at the negative terminal. Refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the air filter housing -3-. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the fan shroud. Refer to FAN SHROUD, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-.

Fig 1: Locating Air Guide Pipe Bolts

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-- Loosen the hose clamps -3 and 5-.

Fig 2: Identifying Senors And Clamps

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-- Disconnect the connector from the Charge Air Pressure Sensor -G31- -arrow-.

-- Remove the bolts -1 and 4- and then remove the air duct pipe downward.

-- Disconnect the connectors -1, 2 and 3- underneath the intake manifold.

Fig 3: Connectors

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-- Disconnect the connector -1- from the Intake Manifold Runner Control Valve -N316-.

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-- Disconnect the vacuum line -2- from the Intake Manifold Runner Control Valve -N316-.

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Remove the mount clamps -arrow- for the high pressure line.

Fig 4: Locating Mount Clamp Bolt

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CAUTION:

The fuel system is under pressure.

Risk of injury from fuel spraying out.

- Wear protective eyewear.

- Wear safety gloves.

- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

-- Counterhold the connection -A- and loosen the union nut -arrow-.

Fig 5: Locating Connector

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-- Loosen the union nut on the fuel rail with the : T10456 and remove the high pressure line.

Fig 6: Locating Fuel Rail Union Nut

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NOTE:

The fuel system must have no pressure.

Wipe up any leaking fuel with a cleaning cloth.

Close the open connections with clean caps. Make sure that no dirt enters the fuel system.

-- Remove the nut -2- and bolt -3- and then remove the intake manifold support.

Fig 7: Locating Intake Manifold Support Nut And Bolt

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-- Remove the rubber bushing -1- for the intake manifold support.

-- Disconnect the connector -1- from the Camshaft Position Sensor -G40-.

Fig 8: Locating Connector 1

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-- Disconnect the connector -1- from the Intake Manifold Runner Position Sensor -G336-.

Fig 9: Identifying Intake Manifold Flap Vacuum Diaphragm

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-- Remove the nuts -A- and bolts -arrows- from the intake manifold.

Fig 10: Locating Intake Manifold Nuts And Bolts

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-- Pull the intake manifold slightly away from the cylinder head and remove the bolts -arrows- for the bracket -A-.

Fig 11: Locating Bracket Bolts

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-- Unclip the vacuum line from the intake manifold and remove the intake manifold.

NOTE:

Cover the intake channels with a clean cloth.