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

Engine -Cylinder head, valve drive 911 Carrera (996) 8. Unscrewtensioning screw, special tool 9632, 12. Fit auxiliarychain tensioner without sealing from the tensioning element. ring and fasten on the crankcase only hand-tight. The mechanical auxiliarychain tensioners must be installed with the correct ~ pre-tensionwhen the valve timing is adjusted or checked. The necessary pre-tensionforce has been achievedwhen the measuringpin hllr~ \ ~ is flush with the face surface of the pressure ~~l~~...~ screw. Turn the screw if necessary. 7' 266_98 9. Removetie wrap and fit sprocket wheel with chain on the flange of the exhaustcamshaft. --::- 10. Position drive plate or driver star of the oil ~) extraction pump on the sprocket wheel. Fit hexagon-headbolt M6 x 15 (10.9). Tighten 636_97 hexagon-headbolt by hand only. 11. Fit auxiliary chain tensioner on cylinder head 4 -6. 15 -112 15 59 24 Installing valve tappets of cylinder bank 4 -6 99615111 Printed in Germany -10, 1998