A8L V8-4.2L (BFM) (2004)
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Disconnect water pipe (arrow) from sump.
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Disconnect water pipe from engine block (arrow).
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Unscrew plug (arrow) for TDC marking from upper section of sump.
Note: There is a TDC dolling in the crankshaft directly behind the plug (it is possible to feel the hole).
WARNING: Injury risk - do not turn the crankshaft while feeling for the TDC drilling with a finger.
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Screw clamping bolt 3242 into hole where plug has been removed.
