Cylinder Head, Removing And Installing: Removing

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

NOTE:

If the camshaft timing chain is also being replaced, the cylinder head must first be installed again. The engine can only be supported in the installation position when the cylinder head is installed.

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the bolts -arrows-.

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-- Remove the air duct pipe by lifting the clip -2- and opening the screw-type clamp -3-.

-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Remove the catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Remove the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to HEATED OXYGEN SENSOR .

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

-- 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.

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-- Seal the open lines and connections with clean plugs from the :VAS6122 .

-- Loosen the clamps -arrows- and remove the coolant hoses.

-- Swing the coolant line -1- to the side.

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-- Disconnect the connectors -top arrow- for the Oil Pressure Switch - F1- -3-.

-- Disconnect the connectors -bottom arrow- for the Reduced Oil Pressure Switch -F378- -2-.

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-- Remove the bolts -arrows-.

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-- Remove the bolt -1- and the nut -3- and then remove the bracket -2- for the intake manifold.

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-- Disconnect the connectors:

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For Throttle Valve Control Module -GX3-
For the Intake Air Temperature Sensor -G42- /Manifold Absolute Pressure Sensor -G71-

-- Remove the connector -4- from the bracket.

-- Free up the wiring harness and push it to the side.

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

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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.

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-- Remove the turbocharger. Refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-.

-- Remove the cylinder head bolts in the sequence -1 to 10-.

NOTE:

Make sure all wires and cables are disconnected.

Pay attention to the tension and guide tracks when lifting the cylinder head.

-- Remove the cylinder head.

-- Lay the cylinder head on a soft surface, such as foam.

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