Astra L4-1.8L (2009)
Note: Note the identification marking on the camshaft bearing cover.
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Insert the camshaft.
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Install the camshaft bearing cover.
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Tighten the camshaft bearing caps 2-5 in a spiral from the inside to the outside.
Tighten the camshaft bearing caps 8 Nm (70 lb in).
Note: Sealing surfaces must be free from oil and grease.
4. Clean sealing surfaces of the 1st camshaft bearing support and the cylinder head with a suitable tool, e.g. plastic wedge.
Clean oil duct (arrow) from any sealant residue.
Note:
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It is essential to ensure that no sealant is applied outside the marked sealing areas.
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The grooves (1) adjacent to the sealing surfaces must remain free from sealant.