Camshaft Timing Chain, Removing From Camshafts: Installing

WARNING: This page is about a different car, the 2012 Audi Q5, 2011 Audi Q5, 2010 Audi Q5, and 2009 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications, refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

NOTE:

Replace the bolts which are being tightened with an additional turn.

Replace the O-ring for the "TDC" marking locking bolt.

CAUTION:

Risk of damaging valves and piston crowns.

If camshafts are rotated, crankshaft may not rest with any piston at "TDC".

The timing mechanism drive chain is installed, refer to TIMING MECHANISM DRIVE CHAIN, REMOVING AND INSTALLING .

Fig 1: Crankshaft Locking Pin T40069
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Secure crankshaft in "TDC" position using Crankshaft Locking Pin T40069.

Camshaft Clamp T40133 mounted on both cylinder heads and fastened to 25 Nm -arrows-.

Fig 2: Camshaft Clamp T40133, Installed
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NOTE:

The illustration shows the left cylinder head.

Fig 3: Identifying Camshaft Adjuster Alignment

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CAUTION:

The engine could be damaged.

For the following steps, only install the camshaft adjuster so the grooves -1 and 4- are aligned with the windows (beveled surfaces) -2 and 3-.

NOTE:

Reinstall camshaft adjuster on left cylinder head according to the mark applied during removal.

Fig 4: Identifying Bolts On Left Cylinder Head And Removing Both Camshaft Adjusters

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

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

-- Remove the Locking Pin T40071.

NOTE:

Reinstall camshaft adjuster on right cylinder head according to the mark applied during removal.

Fig 5: Identifying Bolts On Right Cylinder Head And Removing Both Camshaft Adjusters

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

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

-- Remove the Locking Pin T40071.

-- Position the Counterhold - Kit - Multiple Use T10172 with the Counterhold - Kit - Adapter 2 T10172/2 on the left intake camshaft adjuster.

Fig 6: Removing/ Installing Left Camshaft Adjuster

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-- Have a second technician hold the camshaft timing chain tensioned by pressing on the counterhold tool in direction of -arrow-.

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

-- Tighten the bolt on the intake camshaft to 80 Nm.-- Tighten bolt -1- to exhaust camshaft to 80 Nm.

-- Position the Counterhold - Kit - Multiple Use T10172 with the Counterhold - Kit - Adapter 2 T10172/2 on the right exhaust camshaft.

Fig 7: Removing/ Installing Right Camshaft Adjuster

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-- Have a second technician hold the camshaft timing chain tensioned by pressing on the counterhold tool in the direction of the -arrow-.

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

-- Tighten the bolt on the exhaust camshaft to 80 Nm.-- Tighten bolt -1- to intake camshaft to 80 Nm.

-- Remove the Camshaft Clamp T40133 on both cylinder heads -arrows-.

Fig 8: Camshaft Clamp T40133, Installed

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NOTE:

The illustration shows the left cylinder head.

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

Fig 9: Identifying Camshaft Adjuster Screws On Left Cylinder Head, Removal/Installation

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-- Tighten bolt -1- to the exhaust camshaft to the final torque, refer to -item 2- Bolt (See Figure).
-- Tighten bolt -2- to the intake camshaft to the final torque, refer to -item 1- Bolt (See Figure).

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

Fig 10: Identifying Bolts For Camshaft Adjuster Using Multipoint Socket T10035

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-- Tighten bolt -1- to intake camshaft to final torque, refer to -item 3- Bolt (See Figure).
-- Tighten bolt -2- to exhaust camshaft to final torque, refer to -item 1- Bolt (See Figure).

-- Remove the Crankshaft Locking Pin T40069.

Fig 11: Crankshaft Locking Pin T40069

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-- Using the crankshaft adaptor Crankshaft Socket T40058, turn the crankshaft two turns in the direction of engine rotation -arrow- until it is back at "TDC".

Fig 12: Identifying TDC With Special Tool Adapter T40058

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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 13: Threaded Holes In Camshafts Facing Upward
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-- Install the Camshaft Clamp T40133 in both cylinder heads and tighten the bolts -arrows- to 25 Nm.

Fig 14: Camshaft Clamp T40133, Installed

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-- Install the Crankshaft Locking Pin T40069 directly in the hole.

Fig 15: Crankshaft Locking Pin T40069

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The Crankshaft Locking Pin T40069 must engage in the locating hole in the crankshaft -1-, otherwise repeat the adjustment.

-- Remove the camshaft locating pins on both cylinder heads.

-- Remove the Crankshaft Locking Pin T40069.

Install in reverse order of removal. Note the following:

-- Install the "TDC" marking locking bolt, refer to Fig 16.

Fig 16: Identifying Locking Bolt

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-- Install the left and right timing chain covers, refer to LEFT AND RIGHT TIMING CHAIN COVERS, REMOVING AND INSTALLING .

-- Install the cylinder head covers refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING and RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Install the engine oil cooler, refer to ENGINE OIL COOLER, REMOVING AND INSTALLING .

-- Install the After-Run Coolant Pump -V51-, refer to After-Run Coolant Pump -V51-, REMOVING AND INSTALLING .

-- Install the lock carrier brace, refer to LOCK CARRIER .

-- Install the noise insulation, refer to OVERVIEW - NOISE INSULATION .