S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
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Position lower cover for timing chain and tighten bolts as follows.
1. Tighten bolts 11, 12, 13 to 10 Nm
2. Tighten bolts 1, 3, 4, 5, 6, 7, 8, 9, 10 to 10 Nm
3. Tighten bolts 4, 8, 9, 10 to 22 Nm
4. Tighten bolts 2 for power-steering pump to 22 Nm
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Remove sealing flanges for camshaft adjuster on left and right covers for timing chain - arrows -.
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Apply sealant bead - arrow -, as shown in illustration, on clean sealing surfaces of left cover for timing chain.
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Groove on lower sealing surface - arrow 1 - must be completely filled with sealant. Sealant bead must stand 1.5 to 2.0 mm above sealing surface.
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Sealant bead on front sealing surface - arrows 2 - must be 1.5 to 2.0 mm thick.
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Install new seal -3- on left cover for timing chain.
