911 Carrera S Cabriolet (997) F6-3.8L (2007)
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Marking on camshafts 1-3 at overlap
Information
The outlet sprocket must be positioned correctly in order to build up the pressure of the high-pressure pump correctly when starting the engine.
6. After fitting the outlet camshaft, the sprocket must be aligned as follows with the driver for the high-pressure pump.
6.1.
Cylinder head positioned vertically: The sprocket -1- must be positioned towards the top left using the deeper recess on the driver (15 mm)
-2- at approx. 15 degrees with respect to the sealing face of the cylinder head.
Driver for high-pressure pump prepositioned
7. Fit the intake camshaft.
7.1.
Check that the friction plate is fitted on the shaft.
Position of friction plate on intake camshaft
7.2.
Lift the timing chain and engage and secure the camshaft controller. Guide the intake camshaft into the controller and set it to the overlapping
position of cylinder 4. The cams must be facing downwards at an angle with respect to the spark plug recess and the camshaft must lie loosely
in the bearing positions.
