S5 Quattro Coupe V8-4.2L (CAUA) (2009)
‹› The ATF inspection plug is accessible through the opening on the tunnel crossmember.
‹› If ATF drips from the ATF inspection opening before the ATF has reached 40 °C, the ATF level - arrow - is OK.
‹› The ATF inspection plug must be installed again before the ATF reaches a temperature of 45 °C (50 °C with hot climates).
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Tighten ATF inspection plug with new seal - arrow - to 9 Nm. The ATF check is now completed.