A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Identify running direction of drive chain with paint for reinstallation.
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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 => [ 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 -.
