CYLINDER HEAD REMOVING, Vehicles With Two Turbochargers.: Removing

WARNING: This page is about a different car, the 2016 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

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

-- Remove the intake manifold. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .

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

Left Cylinder Head:

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-- Remove the front left wheel. Refer to WHEELS/TIRES/TIRE PRESSURE MONITORING ASSEMBLY . .

-- Remove the left driveshaft cover -1- in the wheel housing.

-- Remove the bolt -arrow-.

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-- Remove the union nut -left arrow- and then remove the high pressure line -1-.

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NOTE:

Ignore -right arrow-.

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

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NOTE:

Ignore -item 2-.

-- Remove the bolts -3 and 4- and the Union nut -2-.

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-- Remove the coolant line from the cylinder block, and slide it slightly forward.

NOTE:

Ignore -item 1-.

-- Loosen the clamp -arrow- and remove it.

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Right cylinder head:

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-- Remove the front coolant pipe. Refer to FRONT COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the upper coolant pipe. Refer to UPPER COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the union nut -right arrow- and then remove the high pressure line -1-.

NOTE:

Ignore -left arrow-.

-- Loosen the clamp -arrow- and remove it.

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-- Remove bolt -2-, Remove the intermediate pipe from the right air duct pipe.

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NOTE:

Ignore -item 1-.

-- Remove nut -1-, remove the bracket -2- for the right air duct pipe.

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-- Remove the right air duct pipe toward the rear.

-- Remove the banjo bolt -arrow-.

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-- Remove the guide pins for the glide track -1- and for the tensioning rail -2-.

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NOTE:

Ignore :T40246 .

Continued for both sides:

Fig 1: Loosening Sequence Of Cylinder Head

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

-- Remove the bolts and the cylinder head carefully.

CAUTION:

Danger of damaging the glow plugs when removing the cylinder head.

do not lay the removed cylinder head on the sealing surface with the glow plugs installed otherwise the glow plugs will protrude slightly past the sealing surface