A3 L4-2.0L Turbo (BPY) (2006)
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Remove toothed belt guard at rear of cylinder head.
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Remove guide frame bolts in - 6 to 1 - sequence and carefully remove guide frame.
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Remove camshafts together with drive chain from cylinder head.
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Prevent dirt and adhesive residue from entering cylinder head.
Installing
‹› Tightening specifications => [ Valvetrain Assembly Overview ] See: Service and Repair/Valvetrain Assembly Overview.
‹› Tightening specifications => [ Cylinder Head Assembly Overview ] See: Cylinder Head Assembly/Service and Repair/Removal and
Replacement/Cylinder Head Assembly Overview.
‹› Sealing surfaces must be completely free of oil and grease.
‹› The pistons must not be positioned at TDC.
‹› Make sure that all roller cam followers make contact correctly on valve stem ends.
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Remove the old sealant from the guide frame groove and from sealing surfaces.