Camshaft Timing Chain, Removing From Camshafts: Removing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The Camshaft Timing Chains Stay On The Engine In The Following Description.

-- Remove the cylinder head: Left, refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING , Right, refer to RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Remove the respective timing chain cover: Left, refer to LEFT TIMING CHAIN COVER, REMOVING AND INSTALLING . Right, refer to RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Position the :T40257 onto the :T40263 .

Fig 1: Identifying Notch -Arrow A- On T40257 Must Face Color Dash -Arrow B- On Vibration Damper

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-- Place the :T40257 on the vibration damper bolts and turn the crankshaft in the direction of engine rotation in direction of -arrow- to "TDC".

The threaded holes -arrows- in the camshafts must face upward.

Fig 2: Facing Threaded Holes In Camshafts Upward (As Shown)
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-- :T40070 mounted on both cylinder heads and tightened to 25 Nm -arrows-.

Fig 3: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads

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The :T40070 is correctly positioned when the holes for the cylinder head bolts remain free.

-- Remove the drain plug -arrow- from the upper part of the oil pan by using a long hex socket wrench with ball head.

Fig 4: Identifying Locking Bolt Of Upper Part Of Oil Pan

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-- Install the :3242 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

Fig 5: Identifying Crankshaft Holder 3242

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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 .

Fig 6: Pressing Left Camshaft Timing Chain Tensioner Glide Track Inward And Securing Chain Tensioner With Locking Pin T40071

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NOTE:

The Toothed Belt Tensioner Is Lubricated With Oil And Should Only Be Compressed Slowly By Applying Constant Pressure.

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

Fig 7: Pressing Right Camshaft Timing Chain Tensioner Glide Track Inward And Securing Chain Tensioner With Locking Pin T40071

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NOTE:

The Toothed Belt Tensioner Is Lubricated With Oil And Should Only Be Compressed Slowly By Applying Constant Pressure.

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

Fig 8: Identifying Bolts On Left Cylinder Head And Removing Both Camshaft Adjusters

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CAUTION:

Danger Of Causing Damage To 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.

-- Remove bolts -1 and 2- on the left cylinder head and remove both camshaft adjusters.

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

Fig 9: Identifying Bolts On Right Cylinder Head And Removing Both Camshaft Adjusters

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-- Remove bolts -1 and 2- on the right cylinder head and remove both camshaft adjusters.