Cylinder Head Bank 2 (Left), Removing, 3.0L Engine

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Special tools and workshop equipment required

Engine Bung Set: VAS6122
Socket T30: T10405

Procedure

Depending on the model preliminary work may be required. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .

-- Remove the left camshaft housing. Refer to CYLINDER BANK 2 (LEFT) CAMSHAFT HOUSING, REMOVING AND INSTALLING .

Audi A6/A7:

-- Bring the engine mount into the installation position and install the bolts all the way.

-- Lower the engine on the engine mount.

-- Remove the extractor. Refer to ENGINE, SUPPORTING IN INSTALLATION POSITION .

Continuation for All:

-- Remove the coolant pipes. Refer to COOLANT PIPES, REMOVING AND INSTALLING .

Front Coolant Pipe
Left Front Coolant Pipe

-- Remove the oil dipstick tube -2- from the belt pulley side sealing flange.

Fig 1: Cylinder Bank 2 (Left) Coolant Ventilation Line, Installing

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-- Remove the bolt -arrow- and remove the bleeder line -3- from the cylinder head.

-- Disconnect the vacuum hose -1- at the same time do not damage it.

-- Disconnect the connector -4- for the Engine Coolant Temperature Sensor -G62-.

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-- Remove the bolt -5- and remove the coolant line -6- and move it to the side.

-- Loosen the screw-type clamp -1- and remove the nuts -3-.

-- Remove the threaded pin -arrows- and remove the coupling -2-.

-- Remove the bolts -3- and the chain tensioner -4-.

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-- Remove the guide rail bolt -5-.

-- If the cylinder head is removed with the engine installed: push the tensioning rail -2- upward -arrow- and secure using a cable tie to the camshaft timing chain -1- as shown.

-- Remove the bolts -arrows and 9-.

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-- Loosen the cylinder head bolts in the sequence -1 to 8-.

-- Remove the bolts and the cylinder head carefully.

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

-- Seal the open channels of the intake and exhaust tract with a clean cloth or with completely clean plugs from the : VAS6122 .

To replace the bolt -left lower arrow- ; remove the left intake manifold. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .