Boxster (986) F6-2.5L (1998)
14. Position driving plate on the sprocket wheel. Fit hexagon-head bolts M6 x 15 (10.9).
Tighten hexagon-head screws by hand so that the sprocket wheel can still be rotated.
15. Fit auxiliary chain tensioner of special tool 9599 on cylinder head 1 - 3.
Fit auxiliary chain tensioner without sealing ring and fasten on the cylinder head only hand-tight.
Adjust pretension force with the hexagon-head bolt. The necessary pre-tension force has been achieved when the measuring pin is flush with the
face surface of the pressure screw.
15.1 Slightly tighten hexagon-head bolt on the sprocket wheel to 10 Nm (7.5 ft. lbs.).
16. Remove holding-down device, special tool 9611.
17. Holding down device 9624 remains on the cylinder head until the cylinder head cover is fastened.
18. Prepare cylinder head cover for installation: Clean sealing surface of the cylinder head and cylinder head cover very carefully. Apply bead of