S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Timing Chain: Service and Repair
Camshaft Timing Chains
Camshaft Timing Chains
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.
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.
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Remove bolts - 1 - and - 2 - and remove the left chain tension and left camshaft timing chain.
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Remove bolts - 1 - and - 2 - and remove the right chain tension and right camshaft timing chain.
Installing
‹› Tightening specifications. Refer to => [ Camshaft Timing Chains Assembly Overview ] See: Camshaft Timing Chains Assembly Overview.
‹› If the tensioning element was removed from the chain tensioner, then the installation position must be noted: Hole in housing floor faces toward
