Vanden Plas (X308) V8-4.0L (AJ27) (2000)
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There must be no slack on the drive side of the primary chain and the VVT unit must not be rotated on the camshaft (or the tensioning tool may
not fit).
Slide the VVT and exhaust sprocket fully rearwards onto the respective camshafts.
3. Install the primary chain tensioner blade.
Position the tensioner blade to the cylinder block.
Install the retaining / pivot bolt and tighten it to 12 - 16 Nm.
4. Install the primary chain tensioner assembly.
Use a wedge 303-533 (or two if required) between the primary chain tensioner and tensioner blade, to take up the slack in the chain.
5. Tighten the exhaust camshaft sprocket securing bolt.
Install the chain tensioner tool 303-532 to the sprocket holes.
Apply force to the tool in an anti-clockwise direction to tension the chain on its drive side.
Whilst applying the opposing force to the sprocket and chain, tighten the sprocket securing bolt to 115 - 125 Nm.
