911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
4. Turn the engine on the crankshaft belt pulley clockwise until the bore 1 TDC (top dead centre) in the belt pulley is aligned with the fixing bore on
the crankcase. Position or fix with special tool fixing pins No. 9595/1 -see Figure-. Use short fixing pin.
5. Remove camshaft closure caps from cylinder bank 1 - 3. The closure cap of cylinder bank 1 - 3 is located on the flywheel side. Drive small
screwdriver into centre of the closure cap and lever off the cap.
6. Check basic camshaft adjustment -arrow-. If the position is not correct, remove the dowel pin and turn the crankshaft a further 360 degree in
clockwise direction. Fix belt pulley again with fixing pin.
View from the flywheel side
7. Turn primary chain tensioner out of the crankcase, cylinder bank 4 - 6.
8. Turn secondary chain tensioner out of the cylinder head 1 - 3.
9. Undo intermediate shaft flange. Unscrew the three fastening screws M6 x 20 on the intermediate-shaft flange. Undo the M8 x 1 lock nut with the
socket wrench No. 9110 -see Figure-. At the same time, counter with a suitable screwdriver in the slotted threaded pin.