S-Type (X200) V8-4.2L (2005)
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21. Install the primary timing chain tensioner assembly.
^
Tighten to 12 Nm.
22. Release the tension in the left-hand timing chain tensioner.
^
Remove the retaining tool.
23. CAUTION: While applying the opposing force to sprocket and chain, tighten the sprocket bolt.
Using the special tool apply force to the tool in an anti-clockwise direction to tension the primary timing chain on its drive side.
^
Tighten to 120 Nm.
24. CAUTION: While applying the opposing force to sprocket and chain, tighten the sprocket bolt.
Using the special tool apply force to the tool in an anti-clockwise direction.
^
Tighten to 120 Nm.
25. Remove the special tool to the Right-hand cylinder head.
