Engine -Cylinder head, valve drive 911 Carrera (996) · 8. Unscrew tensioning screw (special tool 9632) 12. Fi

Engine -Cylinder head, valve drive 911 Carrera (996) 8. Unscrew tensioning screw (special tool 9632) 12. Fit auxiliarychain tensioner without sealing from the tensioning element. ring and fasten on the crankcase only hand-tight. 9. Removetie wrap and fit sprocket wheel with The mechanicalauxiliarychain tensioners chain on the flange of the exhaustcamshaft. must be install with the correct pre-tension when the valve timing is adjusted or checked. The necessarypre-tensionforce has been achievedwhen the measuring pin is flush with the face surface of the pressure screw. Turn the screw if necessary. 500_96 10. Position drive plate or driver star on the sprocket wheel. Fit hexagon-head bolts M6 x 15 (10.9). Tighten hexagon-headbolts by hand only. 468_97 11. Unscrewchain tensioner (fitted on the crankcase half of cylinder bank 4 -6) and fasten auxiliarychain tensioner (special tool 9599). 15 -56 15 59 24 Installing valve tappets 9961555 Printed in Germany -10, 1998