Astra L4-1.8L (2009)
Note: Mark the camshaft bearing caps before removing them.
49. Remove the exhaust camshaft.
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Detach camshaft bearing caps 2-5 working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
Note: Note the marking on the camshaft bearing cover with stamped numbers from 1 to 0 (there is a dot at bottom left before each number to
avoid mistakes).
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Remove the camshaft bearing cover from the cylinder head and take out the camshaft.
50. Remove the cup tappet with KM-845 (1).
51. Determine cup tappet size.
Example of determining the size of a cup tappet, intake side:
