Cylinder Head, Removing And Installing: Removing

WARNING: This page is about a different car, the 2016 Audi Q3 Quattro, 2016 Audi Q3, 2015 Audi Q3 Quattro, and 2015 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

During installation, cable ties must be installed at the same location.

Always seal off any open channels in the intake and exhaust tract with suitable plugs. For example, from the :VAS6122 .

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

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

-- Loosen the hose clamp -2-.

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-- Remove the bolt -4-.

-- Disconnect the connector -arrow- and free up the wire.

NOTE:

Ignore item -3-.

-- Remove front exhaust pipe with catalytic converter. Refer to FRONT EXHAUST PIPE, REMOVING AND INSTALLING .

-- Remove the right wheel spoiler. Refer to Spoiler, Removing And Installing .

-- Remove the noise insulation. Refer to Noise Insulation, Removing And Installing .

-- Loosen the hose clamps -1 and 2- and remove the air guide hose.

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-- Remove the bolt -1- and remove the air guide pipe downward.

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

-- Disconnect the connectors -1 and 2- and free up the wire -arrows-.

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-- Remove the bolts -1 and 2- and then remove the turbocharger support.

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-- Remove the banjo bolt -2- and move the coolant line to the side.

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-- Remove the bolts -1- on the oil supply line and the bolt -3- on the oil return line.

NOTE:

The installation location is shown with the engine removed.

-- Remove the coolant hoses on the back of the cylinder head.

-- Remove the bolt -arrow-.

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-- Loosen the hose clamp -1- and remove the air guide hose.

-- Press the release buttons and remove the air guide hose -2-.

-- Loosen the clamp -1- and remove the coolant hose.

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-- Remove the bolts -2 and 3-.

-- Remove the coolant hoses by loosening the hose clamps -1 and 2-.

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-- Disconnect the connector -4- and free up the wiring harness.

-- Remove the bolt -3- and the coolant line.

NOTE:

Ignore -arrow-.

-- Remove the bolt -2- and free up the ground cable.

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NOTE:

Ignore item -1-.

-- Remove bolts -arrows- and then remove the heat shield.

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-- Remove the banjo bolt -1- and then remove the oil supply line from the turbocharger.

Vehicles with Engine Code CPSA

-- Remove the connector -arrow- for the Heated Oxygen Sensor -G39- from the bracket, disconnect it and free up the wire.

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All Vehicles

-- Loosen the clamp -arrow- and remove the coolant hose.

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-- Disconnect the connectors -1 through 4-.

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-- Free up the wire -5-.

-- Disconnect the vacuum line -6- leading to the EVAP canister.

-- Disconnect the connectors -1- and remove them from the bracket.

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-- Disconnect the connectors -2 through 4-.

-- Disconnect and free up the vacuum line -5-.

-- Remove the bolts -arrows- and remove the front coolant lines from the intake manifold.

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-- Remove the nut -2- and screw -1- and remove the intake manifold support.

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WARNING:

Risk of injury from fuel.

To reduce fuel pressure, lay cloths around connecting point before opening fuel system and carefully loosen.

CAUTION:

Risk of contamination to the fuel system.

Note the rules of cleanliness for working on the fuel injection system. Refer to CLEAN WORKING CONDITIONS

-- Press the release ring and disconnect the fuel hose -2-.

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-- Press the release buttons and disconnect the hose -1- from the Evaporative Emission (EVAP) canister.

-- Disconnect the coolant hoses -arrows- and free them up.

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-- Remove the bolts -arrows-.

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-- Remove the cylinder head bolts using the :T10070 or :T40270 in the sequence -1 through 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.