A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Remove bolts - 1 and 2 - on right cylinder head and remove both camshaft adjusters.
Installing
‹› Tightening Specifications => [ Camshaft Timing Chain Assembly Overview ] See: Camshaft Timing Chain Assembly Overview, => [ Oil Pan
Upper Section Assembly Overview ] See: Engine Lubrication/Oil Pan/Service and Repair/Oil Pan Upper Section Assembly Overview.
‹› Replace bolts which have been tightened to torque.
‹› Replace locking bolt O-ring.
CAUTION!
Risk of damaging valves and piston crowns.
‹› If camshafts are rotated, crankshaft may not rest with any piston at " TDC".
‹› Drive chain for timing mechanism installed => [ Timing Mechanism Drive Chain ] See: Timing Mechanism Drive Chain.
‹› Secure crankshaft in "TDC" position using Crankshaft Holder (3242).
‹› Camshaft Clamp (T40070) mounted on both cylinder heads and fastened to 25 Nm - arrows -.