Removing
WARNING: This page is about a different car, the 2020 Audi A4, 2019 Audi A4, 2018 Audi A4, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Knock Sensor 1 -G61- is under the intake manifold behind the Engine Temperature Control Actuator -N493- .
-- Remove the Engine Temperature Control Actuator -N493- . Refer to Engine Temperature Control Actuator -N493- , REMOVING AND INSTALLING .
-- Disconnect the connector -3- .
-- Free up the wire -1- for the Knock Sensor 1 -G61- to do so release the catch -arrow- from the bracket -2- .
-- Remove the bolt -arrow- and then the Knock Sensor 1 -G61- .