S8 Quattro Sedan V10-5.2L (BSM) (2009)
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Timing Chain: Service and Repair
Camshaft Timing Chains
Camshaft Timing Chains
Removing
‹› Engine and transmission separated, refer to => [ Engine and Transmission, Separating ] See: Service and Repair/Engine and Transmission,
Separating, engine on the scissor lift platform (VAS 6131 A) or secured by the engine/transmission holder, refer to => [ Engine, Securing to
Engine and Transmission Holder ] See: Service and Repair/Engine, Securing to Engine and Transmission Holder.
‹› Engine oil drained.
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Remove the drive plate. Refer to => [ Drive Plate ] See: Transmission and Drivetrain/Flex Plate/Service and Repair/Drive Plate.
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Remove the cylinder head cover, refer to => [ Left Cylinder Head Cover ] See: Cylinder Head Assembly/Valve Cover/Service and Repair/Left
Cylinder Head Cover, refer to => [ Right Cylinder Head Cover ] See: Cylinder Head Assembly/Valve Cover/Service and Repair/Right Cylinder
Head Cover.
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Remove left and right timing chain covers. Refer to => [ Left and Right Timing Chain Covers ] See: Timing Cover/Service and Repair/Left and
Right Timing Chain Covers.
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Remove the intake manifold.
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Remove the oil filter housing. Refer to => [ Oil Filter Housing ] See: Engine Lubrication/Oil Cooler/Service and Repair/Oil Filter Housing.
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Remove lower timing chain cover. Refer to => [ Lower Timing Chain Cover ] See: Timing Cover/Service and Repair/Lower Timing Chain Cover.
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Remove camshaft timing chains from the camshafts. Refer to => [ Camshaft Timing Chain, Removing from Camshafts ] See: Camshaft Timing
Chain, Removing From Camshafts.
CAUTION!
If the running direction is reversed on a used camshaft timing chain, it could be destroyed.
‹› Paint arrows to mark the timing chain running direction so it can be installed again. Do not mark the camshaft timing chain with a
punch, notch or something similar.
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Remove the bolts - 1 - and - 2 - and then remove left chain tensioner and left camshaft timing chain.
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Remove the bolts - 1 - and - 2 - and then remove the right chain tensioner and the right camshaft timing chain.