For disassembly"Removing oil protection tube", the cylinder head cover in the vicinity of the oil · protection tube must be heat

911 Carrera (996) Engine -Cylinder head, valve drive Removal Note ~ For disassembly"Removing oil protection tube", the cylinder head cover in the vicinity of the oil protection tube must be heated up. Two different methods can be used for this: First method: Heat cylinder head cover in the area of the oil protection tube using an industrial hot-air gun. Second method: Warm engine up to operating temperature. The second method is preferable if no further assembly work has to be performed, e.g. sealing cylinder head cover, replacing tensioning element (VarioCam) or replacing the flat-base tappets, etc. No. Procedure Instructions 1 Remove ignition coil Lift the vehicle. Pull off plug. Unscrewhexagon socket head screws (wrench size 5) and pull off ignition coil with ignition-coilplug. 2 Remove spark plugs Unscrewspark plugs using commerciallyavailablesocket wrench insert; refer to Workshop EquipmentManual, Chapter2.4, Nos. 14 and 15. Note Onlythe Snap-onspark-plugwrench, Order No. S 9706, and the Snap-onextension,Order No. FXW4, are approvedfor this work. 3 + 4 Fit internal puller in Push internal puller as far as it will go into the oil protec the oil protection tube tion tube. Turn hexagonnut on the threaded rod clockwise until the spreader arms are in position. For improved representation,drawing No.4 shows the removed oil protection tube with the internal puller spread. 15 46 19 Removing and installing oil protection tubes -Engine installed 15 -85 Printed in Germany -10, 1998 9861583