Power Take-Off Drive Chain, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

The transmission is removed. Refer to TRANSMISSION, REMOVING AND INSTALLING .

-- Remove the timing chain cover lower section. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .

CAUTION:

Danger of damaging the drive chain because the bolt thread is too long.

Use bolts with a 22 mm maximum thread length -a- to attach the Crankshaft KeyT40049.
If only longer bolts are available, then the bolt head must be installed in such a way so that thread length is still 22 mm only.

Fig 1: Identifying Crankshaft Key T40049

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-- Install the Crankshaft KeyT40049 with 2 bolts -arrows- on the back of the crankshaft.

Fig 2: Identifying Key T40049 At Rear On Crankshaft

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-- Remove the locking bolt -arrow- for the Top Dead Center (TDC) marking crankshaft from the cylinder block.

Fig 3: Identifying Crankshaft Locking Bolt

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-- Rotate the crankshaft in the direction of engine rotation to "TDC".

-- Install the Crankshaft Locking PinT40069 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

Fig 4: Crankshaft Locking Pin T40069

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-- Press the chain tensioner guide rail in direction of -arrow- and secure chain tensioner using a Locking PinT40071.

CAUTION:

Risk of destroying due to reversed running direction on a used drive chain.

Mark the drive chain running direction with arrows using paint for installation later. Do not mark the drive chain with a punch, notch or something similar.

-- Remove the bolts -3- and the balance shaft chain sprocket.

-- Remove the bolts -1 and 2- and the chain tensioner with the chain.

Fig 5: Pressing & Securing Chain Tensioner Using Locking Pin T40071

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