Engine -Cylinder head, valve drive 911 Carrera (996) · Removingand installing camshafts

Engine -Cylinder head, valve drive 911 Carrera (996) Removingand installing camshafts 1 Chain tensioner on 1 Observe identification, cylinder bank 1 -3 tightening torque: 80 Nm (59 ftlb.) Wrench size 32 mm 2 Sealingring A27 x 32 1 Alwaysreplace 3 a-ring 18.77 x 1.78 Replace 4 Hexagon-headbolt 4 Tighteningtorque 14 Nm M6 x 15 (10.9). (10.5 ftlb.) 5 Drive plate or driving plate for oil extraction pump 6 Sprocket wheel 1 The deeper recess on the sprocket wheel must face the camshaft 7 Pan-headscrew with 3 Tighteningtorque 10 Nm captive washer M6 x 95 (7.5 ftlb.) 8 Tensioning element 1 Relievetensioning element Observe identification; with the specialtool, remove tensioning screw tensioning screw 9632, 9632 only after the before removal of the camshafts or fastening camshafts. Inspectguide element has been rails for scoring and fastened on the replace if necessary cylinder head 9 Inlet camshaft of 1 Identification cylinder bank 1 -3 221.55/3.4 IN 13 10 Exhaustcamshaft of 1 Identification cylinder bank 1 -3 222.55/3.4 EX 13 11 Timing chain 1 Observe allocation to the camshafts; two chain links identified. 12 Fastening screw for 2 Tighteningtorque 10 Nm guide rail (7.5 ftlb.) 15 -24 15 05 19 Removing and installing camshafts 9961523 Printed in Germany -10, 1998 1