Audi Q3: Air Quality Sensor -G238-, Removing and Installing
Removing
- Remove the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
- Release the securing tab -4- and turn the housing -1- for the Air Quality Sensor -G238- counter-clockwise -arrow-.
- Remove the housing from the rain water drain channel -2- for the fresh air intake.
- Disconnect the connector -3-.
Note
Do not store a removed Air Quality Sensor -G238- in areas where it can come into contact with solvents, fuels, and certain chemical compositions (fluids or vapors).
Installing
Installation is done is reverse order, observe the following:
Note
- So that no water enters into the A/C unit (heater) via the rain water drain channel -1- when the plenum chamber cover -2- is installed, the plenum chamber cover must not be damaged.
- If the plenum chamber cover is damaged or is installed incorrectly, water can flow into the fresh air intake duct via the rain water drain channel.
- The plenum chamber cover must be completely engaged in the windshield frame -3-. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
- Install the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
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Outside Air Temperature Sensor -G17-, Removing and Installing
Note
Complaints may arise regarding the Air Conditioning (A/C)
system regulation if there is a faulty measured value for the
Outside Air Temperature Sensor -G17-. Refer to Vehicle
Diag
Humidity Sensor -G355-, Removing and Installing
Humidity Sensor -G355-, Removing and Installing, Vehicles without
Driver Assistance Systems Front Camera
Note
Only on vehicles with an automatic climate control system
There are diffSEE MORE:
Cleaning and care information
When cleaning and caring for individual vehicle
components, refer to the following tables. The
information contained there is simply recommendations.
For questions or for components that are not listed, consult an authorized Audi
dealer or authorized Audi Service Facility.
Exterior cleaning
a) Mi
Overview - Rear Brakes
Overview - Rear Brakes, Brakes 1KU
1 - Brake Shield
Removing and installing, refer to
→ Chapter "Brake Shield, Removing and Installing, Brakes 1KU".
2 - Brake Rotor
Allocation, refer to the Parts Catalog.
Dimensions
→ Chapter "Brakes Technical Da