911 Targa (996) F6-3.6L (2004)
2. Check camshaft adjustment at cylinder bank 4 - 6: The groove in the camshaft must face inward toward the crankcase.
View from the belt pulley side
3. Turn engine by 90° on assembly support until cylinder bank 4 - 6 faces upwards.
4. Unscrew chain tensioner of cylinder bank 4 - 6.
5. Remove closure cap from tensioning element (VarioCam). Hexagon-head bolts M6 x 20 (2 ea.).
6. Remove cylinder head cover. Loosen hexagon-head bolts from the outside to the inside.