Humidity Sensor In Fresh Air Intake Duct -G657- /Air Quality Sensor -G238-, Removing And Installing: Removing
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Switch off the ignition.
-- Loosen the right front plenum chamber cover -F- from the vehicle and carefully lift slightly. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .
-- Rotate the Air Quality Sensor -G238- /Humidity Sensor in Fresh Air Intake Duct -G657- -A- approximately 90° and remove it from the mount on the fresh air intake -E-.
-- Disconnect the connector -B- from sensor -A-.
TIP
- Disconnecting the connector -1- takes place by pulling the connector housing -1- in the direction of the arrow -A-.
- If this is not possible, the connector can be disconnected by pressing the hook -2- in the direction of the arrow -B- and pulling the connector housing -1- in the direction of the arrow -A-.