S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Remove intake manifold.
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Remove oil filter housing. Refer to => [ Oil Filter Housing ] See: Engine Lubrication/Oil Filter Housing/Service and Repair/Oil Filter Housing.
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Remove lower timing chain cover. Refer to => [ Lower Timing Chain Cover ] See: Timing Components/Timing Cover/Service and Repair/Lower
Timing Chain Cover.
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.
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Press tensioning rail in direction of - arrow - and secure chain tensioner with Locking Pin (T40071).
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Remove bolt - 1 - and remove balance shaft chain sprocket.
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Remove bolts - 2 to 4 - and remove chain tensioner.
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Remove power take-off drive chain.
Installing
Installation is in reverse order of removal, note the following:
‹› Always replace bolts that are tightened to torque as well as sealing rings, gasket and O-rings.
‹› Secure crankshaft - 1 - in "TDC" position using Crankshaft Holder (3242).