Camshaft Timing Chain, Removing From Camshafts: Installing

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Replace any bolts that were tightened with an additional turn.

Secure all hose connections with hose clamps of the same type as those equipped by the factory .

The timing mechanism drive chain is installed, refer to TIMING MECHANISM DRIVE CHAIN, REMOVING AND INSTALLING .
Crankshaft locked in "TDC" position with Camshaft Locating ToolT40264/3

Fig 1: Identifying Camshaft Locating ToolT40264/3
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Camshaft Locating ToolT40264/2 tightened on the left cylinder head to 12 Nm -arrows-.

Fig 2: Identifying Cylinder Head Bolts And Camshaft Locating ToolT40264/2
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Camshaft Locating Tool T40264/1 tightened on the right cylinder head to 12 Nm -arrows-.

Fig 3: Identifying Cylinder Head Bolts And Camshaft Locating Tool T40264/1
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Cylinder Bank 1 (Right):

Fig 4: Aligning Grooves

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CAUTION:

The engine could be damaged.

The camshaft adjuster must only be installed according to the following work steps.

-- Install the camshaft adjuster according to the marks applied during removal.

the groove -1- and/or -4- in the camshaft adjuster must align with the adjustment window -2- and/or -3-.

-- Install the camshaft adjuster according to the marks applied during removal.

Fig 5: Installing Bolts Loosely

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-- Position the camshaft timing chain on the drive sprocket and the camshaft adjuster and loosely install bolts -1, 2-.

Both camshaft adjusters must be able to still be rotated on camshaft and must not tip.

-- Remove the Locking PinT40071.

Cylinder Bank 2 (Left):

Fig 6: Aligning Grooves

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CAUTION:

The engine could be damaged.

The camshaft adjuster must only be installed according to the following work steps.

-- Install the camshaft adjuster according to the marks applied during removal.

the groove -1- and/or -4- in the camshaft adjuster must align with the adjustment window -2- and/or -3-.

-- Install the camshaft adjuster according to the marks applied during removal.

Fig 7: Removing Bolts -1 And 2- By Counterholding With Wrench And Wrench - CamshaftT40269

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-- Position the camshaft timing chain on the drive sprocket and the camshaft adjuster and loosely install bolts -1, 2-.

Both camshaft adjusters must be able to still be rotated on camshaft and must not tip.

-- Remove the Locking PinT40071.

Cylinder Bank 1 (Right):

Fig 8: Adjusting Intake Camshaft

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-- Position the Wrench - CamshaftT40269 on the camshaft adjuster for the intake camshaft.

-- Position the Torque Wrench 1332 40-200Nm VAG1332 with the Torque Wrench 1332 Insert - Open Ring Wrench - 24mm VAG1332/9 on the Wrench - CamshaftT40269.

-- Have a second technician pre-tension the camshaft adjuster in the direction of -arrow- to 40 Nm.

-- Tighten the bolts as follows while the camshaft adjuster is still held under tension.

Step	Bolt	Tightening specification
1.	-1-	to the camshaft to 60 Nm
1.	-2-	to the camshaft to 60 Nm

-- Remove the Wrench - CamshaftT40269.

-- Remove the Camshaft Locating ToolT40264/1 -arrows-.

Fig 9: Identifying Bolts

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Cylinder Bank 2 (Left):

Fig 10: Adjusting Exhaust Camshaft

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-- Position the Wrench - CamshaftT40269 on the camshaft adjuster for the exhaust camshaft.

-- Position the Torque Wrench 1332 40-200Nm VAG1332 with the Torque Wrench 1332 Insert - Open Ring Wrench - 24mm VAG1332/9 on the Wrench - CamshaftT40269.

-- Have a second technician pre-tension the camshaft adjuster in the direction of -arrow- to 40 Nm.

-- Tighten the bolts as follows while the camshaft adjuster is still held under tension.

Step	Bolt	Tightening specification
1.	-1-	to the camshaft to 60 Nm
1.	-2-	to the camshaft to 60 Nm

-- Remove the Wrench - CamshaftT40269.

-- Remove the Camshaft Locating ToolT40264/2 -arrows-.

Fig 11: Installing Bolts

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Cylinder Bank 1 (Right):

Fig 12: Locating Camshaft Adjuster Bolts

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-- Tighten the camshaft adjuster bolts on the right cylinder head as follows:

Step	Bolt	Tightening Specification
2.	-1-	Final tightening specification at the camshaft, refer to OVERVIEW - CAMSHAFT TIMING CHAINS .
2.	-2-	Final tightening specification at the camshaft, refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

Cylinder Bank 2 (Left):

Fig 13: Removing Bolts -1 And 2- By Counterholding With Wrench And Wrench - CamshaftT40269

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-- Tighten the camshaft adjuster bolts on the left cylinder head as follows:

Step	Bolt	Tightening Specification
2.	-1-	Final tightening specification at the camshaft, refer to OVERVIEW - CAMSHAFT TIMING CHAINS .
2.	-2-	Final tightening specification at the camshaft, refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

Continuation for Both Cylinder Banks:

Fig 14: Identifying Camshaft Locating ToolT40264/3

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-- Remove the Camshaft Locating ToolT40264/3.

-- Turn the crankshaft two turns in the direction of engine rotation -arrow- using the Wrench - 21mm T40263 and Crankshaft Turning ToolT40272 until the crankshaft is once again at "TDC".

Fig 15: Identifying Crankshaft Turning Tool T40272

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NOTE:

If it is accidentally rotated beyond "TDC", rotate it back approximately 30° and set it to "TDC" again.

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

Fig 16: Identifying Sealing Plug
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NOTE:

The right camshaft housing is shown in the illustration.

Cylinder Bank 1 (Right):

Fig 17: Identifying Camshaft Locating ToolT40264/1

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-- Insert the Camshaft Locating ToolT40264/1 into the right cylinder head and tighten -arrows-.

Tightening specification 12 Nm.

Cylinder Bank 2 (Left):

Fig 18: Identifying Camshaft Locating ToolT40264/2

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-- Insert the Camshaft Locating ToolT40264/2 into the left cylinder head and tighten -arrows-.

Tightening specification 12 Nm.

Continuation for Both Cylinder Banks:

Fig 19: Identifying Camshaft Locating ToolT40264/3

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-- Install the Camshaft Locating ToolT40264/3 at the vibration damper opening all the way by hand into the cylinder block.

The Camshaft Locating ToolT40264/3 must engage into the hole in the cylinder; if not, repeat the adjustment.

-- Remove the Camshaft Locating ToolsT40264/1 and T40264/2.

-- Remove the Camshaft Locating ToolT40264/3.

Installation is performed in reverse order of removal, while noting the following:

Audi S6/RS6/RS7:

-- Install the radiator, with the fan shroud, refer to RADIATOR, REMOVING AND INSTALLING, AUDI S6/S7 .

Audi S7:

-- Install the fan shroud, refer to FAN SHROUD, REMOVING AND INSTALLING .

Continuation for All Vehicles:

-- Install the ignition coil for cylinder "7", refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .

-- Install the wires.

-- Install the vacuum pipe adjusting element for the turbocharger, refer to OVERVIEW - TURBOCHARGER .

-- Install the high pressure line, refer to HIGH PRESSURE PIPE, REMOVING AND INSTALLING .

-- Install air filter insert.

-- Install the timing chain cover, refer to TIMING CHAIN COVER, REMOVING AND INSTALLING .