Engine -Cylinder head, valve drive 911 Carrera (996) · 7. Perform following assembly steps for timing Fit

Engine -Cylinder head, valve drive 911 Carrera (996) 7. Perform following assembly steps for timing Fit oil extraction pump. Use new sealing ring adjustment as described from Step 7 to and new micro-encapsulatedhexagon socket Step 11. headscrews. Tighteningtorque: 10 Nm (7.5 ftlb.) 8. Fit oil extraction pumps Note The oil extraction pumps on the cylinder heads are identical parts. Therefore,the installation position and direction of rotation must be correct. Installationposition of oil extraction pump at cylinder head 1 -3 (flywheelside). The arrow for the direction of rotation or the marking "I -3" must face the crankcase. Fit oil extraction pump. Use new sealing ring and new micro-encapsulatedhexagon socket head screws. 668_97 Tighteningtorque: 10 Nm (7.5 ftlb.) 9. Unscrewauxiliarychain tensioner, put new sealing ring on the original chain tensioner and install. Tighteningtorque: 80 Nm (59 ftlb.) (Wrenchsize 30 mm.) Note The compressionsprings of the auxiliary chain tensionersshould be relieved after measurement.Unscrewthrust screw (wrench size 19 mm). 667_97 Installation position of oil extraction pump at cylinder head 4 -6 (belt pulley side), The arrow for the direction of rotation or the marking "4 -6" must face the crankcase. 15 -44 15 05 15 Adjusting timing -Cylinder bank 4 -6 9961543 Printed in Germany -10, 1998