Camshaft Timing Chain, Removing From Camshafts: Removing

WARNING: This page is about a different car, the 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Engine and transmission installed.

NOTE:

If working only on cylinder head bank 1 (right), the timing chain guard must not be removed from the cylinder head bank 2 (left).

-- Remove the upper timing chain covers. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Join the tools as illustrated:

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Socket 21 mm for ¹ /₂ "-drive

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CAUTION:

Components could be destroyed by the camshaft timing chains jump off.

Turn crankshaft only in direction of engine rotation -arrow-.

-- Turn the crankshaft until the vibration damper is at "Top Dead Center (TDC)".

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The attached marking -arrow- stands vertically upward.

NOTE:

The :T40060 has a flat part -2- which makes it easier to insert if the holes on the camshaft and the cylinder head are slightly offset.

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Insert the pin so that the bolt -1- is perpendicular to the camshaft axle.

Move the bolt -1- 90° -arrow- so that it is perpendicular to the camshaft axle and it is possible to attain the correct "TDC" position.

-- Check whether camshafts of both cylinder heads stand in "TDC" position.

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It must be possible to secure the camshafts with the :T40060 .
The bolt -arrow- in the :T40060 must be perpendicular to the center line of the camshaft on cylinder bank 1 (right).

The bolt -arrow- in the :T40060 must be perpendicular to the center line of the camshaft on cylinder bank 2 (left).

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NOTE:

To collect escaping engine oil, place a clean cloth under the upper part of the oil pan.

-- Remove the sealing plug -arrow- from the upper section of the oil pan.

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-- Install the :T40237 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

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-- Secure the :T40246 as shown in the illustration.

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Step	Bolts	Tightening Specification
1.	-1- M6x40	Install all the way in by hand.
2.	-2- M6x20	Install all the way in by hand.
3.	-2- M6x40	8 Nm
4.	-1- M6x20	8 Nm

CAUTION:

Danger of causing damage to the engine.

To prevent small parts from accidentally entering the engine through the openings in the timing chain compartment, cover the opening with a clean cloth.

-- Remove the :T40060 from both camshafts.

-- Remove the bolts -arrows-.

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-- Remove the bolts -arrows-.

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-- Remove the camshaft timing chain.