S6 V8-4.2L (BBD) (2004)
Timing Component Alignment Marks: Locations
There are no alignment marks on the camshafts, you must use the camshaft holder tool T40005 in conjunction with the crankshaft holder tool
3242 to properly align the camshaft and crankshaft
CAUTION: Incorrect removal or installation of the timing belt can result in damage to internal engine components.
For complete Timing Belt Removal and Installation information: See: Timing Belt/Service and Repair