S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Timing Chain: Service and Repair
Timing Mechanism Drive Chain
Timing Mechanism Drive Chain
Special tools, testers and auxiliary items required
‹› Locking Pin (T40071)
Removing
‹› The transmission is removed.
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Remove timing chain lower 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, Removing from Camshafts ] See: Camshaft Timing
Chains, Removing From Camshafts.
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Remove power take-off drive chain. Refer to => [ Power Take-Off Drive Chain ] See: Cylinder Block Assembly/Accessory Drive/Service and
Repair/Power Take-Off Drive Chain.
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Press drive chain tensioner guide rail in direction of - arrow - and secure the chain tensioner with a Locking Pin (T40071).
CAUTION!
Risk of destroying due to reversed running direction on a used drive chain.
‹› Mark drive chain running direction with arrows using paint for reinstallation.
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Remove bolts - 1 - and guide rail.
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Remove bolts - 2 - and chain tensioner.
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Remove timing mechanism drive chain.
Installing
‹› Tightening specifications. Refer to => [ Timing Mechanism Drive Chain Assembly Overview ] See: Timing Mechanism Drive Chain Assembly