A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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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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Push drive chain tensioner guide rail in direction of - arrow - and secure chain tensioner using Locking Pin (T40071).
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 chain using a punch, notch or
similar.
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Remove bolts - 1 - and remove guide rail.
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Remove bolts - 2 to 4 - and remove 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
Overview.
Installation is in reverse order of removal, note the following:
‹› Replace bolts which have been tightened to torque.
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Route timing mechanism drive chain according to marks applied to drive chain sprockets during removal.
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Install guide rail and tighten bolts - 1 -.
