S5 Quattro Coupe V8-4.2L (CAUA) (2009)
![background image](/audi/s5_quattro_coupe/v8-4.2l_(caua)/Page-309003.png)
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Replace the vibration damper with ribbed belt pulley bolts.
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Tighten bolts - arrow - in diagonal sequence in 3 stages as follows:
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Pre-tighten to 15 Nm.
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Tighten to 22 Nm.
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Tighten an additional 90°.