Remove upper half of the cylinder head
WARNING: This page is about a different variant/trim than selected.
Install tool 9995453 (4 valve engine) or 9995508 (2 valve engine) to secure the front of the camshafts.
Install the tools 9995454 with a play of a few millimeters between them and the camshaft housing cover.
Slacken off the screws (from outside and in) from the upper half, remove all screws.
Disconnect the camshaft cover at the stop lugs with tool 9995670 . Start with cylinder 1 and work alternately backward.
Open and slacken off the tools 9995454 step by step so that parallel movement is ensured when removing camshaft housing cover.
Mark up and remove the camshafts.