13. Fit auxiliary chain tensioner on cylinder Carefullyplace the cylinder head cover in the · head 1 -3 and adjust pre

911 Carrera (996) Engine -Cylinder head, valve drive 13. Fit auxiliary chain tensioner on cylinder Carefullyplace the cylinder head cover in the head 1 -3 and adjust pre-tensionforce correct position so that the sealing bead is not (refer to step 12). damaged. Screw two studs or centring pins into the corners of the cylinder head as centring aids. Immediatelyremove silicone material emerging in the area of the camshaft closure cap. 15. For the subsequentadjustmentwork on the camshaft,the pulley must be fixed at bore 1 aT (TOC) with the fixing pin special tool 9595). 44937 14. Fit cylinder head cover. Removeholding-downdevice 9611. Clean sealing surface of the cylinder head and cylinder head cover very carefully. Apply a silicone bead to the cylinder head cover. Refer to: Sealing cover for camshaft housing (cylinder head cover), ServoNo. 1591 51. 497_96 430_1_96 15 59 24 Installing valve tappets 15 -57 Printed in Germany -10, 1998 9961555