Boxster S (986) F6-3.2L (2001)
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12. Fit auxiliary chain tensioner without sealing ring and fasten on the crankcase only hand-tight.
The mechanical auxiliary chain tensioners must be installed with the correct pre-tension when the valve timing is adjusted or checked. The
necessary pre-tension force has been reached when the measuring pin is flush with the face surface of the thrust screw. Turn the screw if necessary.
13. Fit auxiliary chain tensioner on cylinder head 1 - 3 and adjust pre-tension force (refer to step 12).
14. Fit cylinder-head cover. Remove holding down device 9611. Clean sealing surface of the cylinder head and cylinder-head cover very carefully.
Apply bead of silicone on the cylinder-head cover. Refer to: Sealing cover for camshaft housing (cylinder-head cover).
Carefully place the cylinder-head cover in the correct position so that the sealing bead is not damaged. Screw two studs or centering pins into the
corners of the cylinder head as centering aids.
Immediately remove silicone material emerging in the area of the camshaft closure cap.
15. For the subsequent adjustment work on the camshaft, the pulley must be fixed at bore 1 OT (TDC) with the fixing pin (special tool 9595).
