Cylinder Bank 2 (left)

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

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-- Install the :T40133/2 on cylinder head -arrows- and tighten to 25 Nm.

Continuation for Both Cylinder Banks

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-- Remove the locking bolt -arrow- for the "TDC" marking crankshaft from the cylinder block.

-- Install the :T40069 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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-- Press the left camshaft timing chain tensioner guide rails in as far as the stop using a screwdriver -1- and secure the chain tensioner with a :T40071 .

NOTE:

The toothed belt tensioner is lubricated with oil and should only be compressed slowly by applying constant pressure.

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CAUTION:

The camshafts can get damaged.

Do not use the :T40133 to counterhold when loosening the camshaft adjuster bolt or the camshaft sprocket.

-- To counterhold install the :T40297 with a wrench -2- on the affected camshaft adjuster.

-- Loosen the bolt -1- for the exhaust side camshaft adjuster.

-- Counterhold with the :T40297 to loosen the bolt -3- for the intake side camshaft adjuster.

CAUTION:

There is a risk of destroying the engine.

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

-- Mark the installation position of the camshaft adjuster with paint for installation later.

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-- Remove the bolts -1 and 2- and remove both of the camshaft adjusters.