Knock Sensor 1 -G61- / Knock Sensor 2 -G66-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2022 Audi S5, 2021 Audi S5, and 2020 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
Install in reverse order of removal and note the following:
TIP:
The tightening specification affects the function of the knock sensor.