Sealing surfaces at bottom of cylinder head cover and top of cylinder head must not be machined.
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The camshaft bearings are integrated into the cylinder head and cylinder head cover. The timing chain must be slackened before removing the cylinder head cover.
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Fit cable ties in the original positions when installing.
Tighten bolts in several stages; tightening sequence → Fig..
Note
Take care to keep cylinder head cover straight.
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Turn vibration damper to „TDC“ position -arrow- using counterhold tool -T10355-.
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Notch on vibration damper must align with arrow marking on cover for timing chains (bottom).
Note
The camshaft timing chain links with markings must be positioned at the markings on the chain sprockets and on the cylinder head.
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Position camshaft timing chain links with coloured markings at markings on camshaft chain sprockets; to do so, turn camshafts using assembly tool -T40266-.