A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Remove bolts - 1 and 2 - and remove left chain tensioner and left camshaft timing chain.
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Identify running direction of right camshaft timing chain with paint for re-installation.
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Remove bolts - 1 and 2 - and remove right chain tensioner and right camshaft timing chain.
Installing
‹› Tightening Specification => [ Camshaft Timing Chain Assembly Overview ] See: Camshaft Timing Chain Assembly Overview.
‹› If the tensioning element was removed from the chain tensioner, note installation position: Hole in housing floor faces toward chain tensioner,
piston faces toward tensioning rail.
‹› Replace bolts which have been tightened to torque.
‹› Replace gasket.
CAUTION!
Risk of damaging valves and piston crowns.
‹› If camshafts are rotated, crankshaft may not rest with any piston at " TDC".
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Press left and right camshaft timing chain guide rail inward - arrow - as far as stop and secure chain tensioner with Locking Pin (T40071).
