Boxster (986) F6-2.5L (1998)
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3.3 Fit chain; when doing so, observe clearance between the gear wheels and the lower slide rail.
4. Complete unit is preassembled and ready for installation. Do not remove the tension screw, special tool 9632, until the bearing saddles and the
chain tensioner have been fastened on the cylinder head. If the allocation is correct, the groove or lug of the camshaft position sensor housing faces
upward.
Move camshafts, chain and tensioning element of cylinder bank 4 - 6 to basic position or installation position.