911 Carrera 4 Cabriolet (997) F6-3.6L (2006)
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1. Fit special tool retaining device 9739 in cylinder head (valve stem side). To do this, screw in the fastening screws by hand into the spark plug
thread.
Note: The permitted valve tilt play is 0.25 mm.
2. Check valve tilt play on intake valve. Adjust the dial gauge to the relevant angle of the valve to be checked and set to "0" with preload. Press valve
disc towards dial gauge and pull it back again. Read off value and note it.
3. Check valve tilt play on exhaust valve. Adjust the dial gauge to the relevant angle of the valve to be checked and set to "0" with preload. Press
valve disc towards dial gauge and pull it back again. Read off value and note it.
