RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Timing Chain: Service and Repair
Camshaft Timing Chains, From 03.2007
Camshaft Timing Chains, from 03.2007
Removing
‹› Engine and transmission separated. Refer to => [ Engine and Transmission, Separating ] See: Service and Repair/Removal and
Replacement/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/Removal and Replacement/Engine, Securing to
Engine and Transmission Holder.
‹› Engine oil drained.
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Remove clutch pressure plate.
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Remove the dual-mass flywheel. Refer to => [ Dual Mass Flywheel ] See: Transmission and Drivetrain/Flywheel/Service and Repair/Dual Mass
Flywheel.
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Remove the cylinder head cover. Refer to: Left => [ Left Cylinder Head Cover ] See: Cylinder Head Assembly/Valve Cover/Service and
Repair/Left Cylinder Head Cover, right => [ 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 intake manifold.
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Remove 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 Chains, through 03.2007, Removing from Camshaft ] .
CAUTION!
Risk of destroying due to reversed running direction on a used camshaft timing chain.
‹› Paint arrows to mark the camshaft 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 bolts - 1 - and - 2 - and remove left chain tensioner and left camshaft timing chain.
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Remove bolts - 1 - and - 2 - and remove right chain tensioner and right camshaft timing chain.
